Home / 67,018.27-92,486.76-38,340.62

Finding the Fourth Proportional to 67,018.27, 92,486.76 and 38,340.62

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Solution

The fourth proportional to 67,018.27, 92,486.76 and 38,340.62 is: 52,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,018.27 : 92,486.76 = 38,340.62 : x
  2. Step 2: Convert to fraction form
    67,018.27/92,486.76 = 38,340.62/x
  3. Step 3: Cross multiply
    67,018.27x = 92,486.76 × 38,340.62
  4. Step 4: Simplify right side
    67,018.27x = 3,545,999,951.41
  5. Step 5: Solve for x
    x = 3,545,999,951.41/67,018.27
  6. Step 6: Final answer
    x = 52,910.95

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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.