Home / 67,206.71-92,545.05-65,714.94

Finding the Fourth Proportional to 67,206.71, 92,545.05 and 65,714.94

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Solution

The fourth proportional to 67,206.71, 92,545.05 and 65,714.94 is: 90,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,206.71 : 92,545.05 = 65,714.94 : x
  2. Step 2: Convert to fraction form
    67,206.71/92,545.05 = 65,714.94/x
  3. Step 3: Cross multiply
    67,206.71x = 92,545.05 × 65,714.94
  4. Step 4: Simplify right side
    67,206.71x = 6,081,593,001.52
  5. Step 5: Solve for x
    x = 6,081,593,001.52/67,206.71
  6. Step 6: Final answer
    x = 90,490.87

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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.