Home / 82,140.10-123,225.33-25,994.34

Finding the Fourth Proportional to 82,140.10, 123,225.33 and 25,994.34

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Solution

The fourth proportional to 82,140.10, 123,225.33 and 25,994.34 is: 38,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,140.10 : 123,225.33 = 25,994.34 : x
  2. Step 2: Convert to fraction form
    82,140.10/123,225.33 = 25,994.34/x
  3. Step 3: Cross multiply
    82,140.10x = 123,225.33 × 25,994.34
  4. Step 4: Simplify right side
    82,140.10x = 3,203,161,222.11
  5. Step 5: Solve for x
    x = 3,203,161,222.11/82,140.10
  6. Step 6: Final answer
    x = 38,996.32

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Double scale
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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.