Home / 67,239.68-92,822.64-38,935.04

Finding the Fourth Proportional to 67,239.68, 92,822.64 and 38,935.04

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Solution

The fourth proportional to 67,239.68, 92,822.64 and 38,935.04 is: 53,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,239.68 : 92,822.64 = 38,935.04 : x
  2. Step 2: Convert to fraction form
    67,239.68/92,822.64 = 38,935.04/x
  3. Step 3: Cross multiply
    67,239.68x = 92,822.64 × 38,935.04
  4. Step 4: Simplify right side
    67,239.68x = 3,614,053,201.31
  5. Step 5: Solve for x
    x = 3,614,053,201.31/67,239.68
  6. Step 6: Final answer
    x = 53,748.82

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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.