Home / 102,545.48-141,491.60-58,929.58

Finding the Fourth Proportional to 102,545.48, 141,491.60 and 58,929.58

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Solution

The fourth proportional to 102,545.48, 141,491.60 and 58,929.58 is: 81,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,545.48 : 141,491.60 = 58,929.58 : x
  2. Step 2: Convert to fraction form
    102,545.48/141,491.60 = 58,929.58/x
  3. Step 3: Cross multiply
    102,545.48x = 141,491.60 × 58,929.58
  4. Step 4: Simplify right side
    102,545.48x = 8,338,040,561.53
  5. Step 5: Solve for x
    x = 8,338,040,561.53/102,545.48
  6. Step 6: Final answer
    x = 81,310.66

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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.