Home / 70,127.54-105,191.32-17,537.04

Finding the Fourth Proportional to 70,127.54, 105,191.32 and 17,537.04

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Solution

The fourth proportional to 70,127.54, 105,191.32 and 17,537.04 is: 26,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,127.54 : 105,191.32 = 17,537.04 : x
  2. Step 2: Convert to fraction form
    70,127.54/105,191.32 = 17,537.04/x
  3. Step 3: Cross multiply
    70,127.54x = 105,191.32 × 17,537.04
  4. Step 4: Simplify right side
    70,127.54x = 1,844,744,386.49
  5. Step 5: Solve for x
    x = 1,844,744,386.49/70,127.54
  6. Step 6: Final answer
    x = 26,305.56

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.