Home / 62,713.28-86,549.64-34,423.76

Finding the Fourth Proportional to 62,713.28, 86,549.64 and 34,423.76

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Solution

The fourth proportional to 62,713.28, 86,549.64 and 34,423.76 is: 47,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,713.28 : 86,549.64 = 34,423.76 : x
  2. Step 2: Convert to fraction form
    62,713.28/86,549.64 = 34,423.76/x
  3. Step 3: Cross multiply
    62,713.28x = 86,549.64 × 34,423.76
  4. Step 4: Simplify right side
    62,713.28x = 2,979,364,035.45
  5. Step 5: Solve for x
    x = 2,979,364,035.45/62,713.28
  6. Step 6: Final answer
    x = 47,507.71

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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.