Home / 57,337.60-86,006.40-38,675.20

Finding the Fourth Proportional to 57,337.60, 86,006.40 and 38,675.20

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Solution

The fourth proportional to 57,337.60, 86,006.40 and 38,675.20 is: 58,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,337.60 : 86,006.40 = 38,675.20 : x
  2. Step 2: Convert to fraction form
    57,337.60/86,006.40 = 38,675.20/x
  3. Step 3: Cross multiply
    57,337.60x = 86,006.40 × 38,675.20
  4. Step 4: Simplify right side
    57,337.60x = 3,326,314,721.28
  5. Step 5: Solve for x
    x = 3,326,314,721.28/57,337.60
  6. Step 6: Final answer
    x = 58,012.80

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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.