Home / 62,711.28-86,546.88-34,421.76

Finding the Fourth Proportional to 62,711.28, 86,546.88 and 34,421.76

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Solution

The fourth proportional to 62,711.28, 86,546.88 and 34,421.76 is: 47,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,711.28 : 86,546.88 = 34,421.76 : x
  2. Step 2: Convert to fraction form
    62,711.28/86,546.88 = 34,421.76/x
  3. Step 3: Cross multiply
    62,711.28x = 86,546.88 × 34,421.76
  4. Step 4: Simplify right side
    62,711.28x = 2,979,095,932.11
  5. Step 5: Solve for x
    x = 2,979,095,932.11/62,711.28
  6. Step 6: Final answer
    x = 47,504.95

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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.