Home / 57,439.13-79,253.83-34,773.71

Finding the Fourth Proportional to 57,439.13, 79,253.83 and 34,773.71

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Solution

The fourth proportional to 57,439.13, 79,253.83 and 34,773.71 is: 47,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439.13 : 79,253.83 = 34,773.71 : x
  2. Step 2: Convert to fraction form
    57,439.13/79,253.83 = 34,773.71/x
  3. Step 3: Cross multiply
    57,439.13x = 79,253.83 × 34,773.71
  4. Step 4: Simplify right side
    57,439.13x = 2,755,949,700.81
  5. Step 5: Solve for x
    x = 2,755,949,700.81/57,439.13
  6. Step 6: Final answer
    x = 47,980.35

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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.