Home / 58,389.04-80,551.28-35,729.12

Finding the Fourth Proportional to 58,389.04, 80,551.28 and 35,729.12

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Solution

The fourth proportional to 58,389.04, 80,551.28 and 35,729.12 is: 49,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,389.04 : 80,551.28 = 35,729.12 : x
  2. Step 2: Convert to fraction form
    58,389.04/80,551.28 = 35,729.12/x
  3. Step 3: Cross multiply
    58,389.04x = 80,551.28 × 35,729.12
  4. Step 4: Simplify right side
    58,389.04x = 2,878,026,349.27
  5. Step 5: Solve for x
    x = 2,878,026,349.27/58,389.04
  6. Step 6: Final answer
    x = 49,290.52

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.