Home / 57,304.20-85,956.30-38,641.80

Finding the Fourth Proportional to 57,304.20, 85,956.30 and 38,641.80

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Solution

The fourth proportional to 57,304.20, 85,956.30 and 38,641.80 is: 57,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,304.20 : 85,956.30 = 38,641.80 : x
  2. Step 2: Convert to fraction form
    57,304.20/85,956.30 = 38,641.80/x
  3. Step 3: Cross multiply
    57,304.20x = 85,956.30 × 38,641.80
  4. Step 4: Simplify right side
    57,304.20x = 3,321,506,153.34
  5. Step 5: Solve for x
    x = 3,321,506,153.34/57,304.20
  6. Step 6: Final answer
    x = 57,962.70

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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.