Home / 125,083.69-187,568.89-53,972.77

Finding the Fourth Proportional to 125,083.69, 187,568.89 and 53,972.77

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Solution

The fourth proportional to 125,083.69, 187,568.89 and 53,972.77 is: 80,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,083.69 : 187,568.89 = 53,972.77 : x
  2. Step 2: Convert to fraction form
    125,083.69/187,568.89 = 53,972.77/x
  3. Step 3: Cross multiply
    125,083.69x = 187,568.89 × 53,972.77
  4. Step 4: Simplify right side
    125,083.69x = 10,123,612,559.13
  5. Step 5: Solve for x
    x = 10,123,612,559.13/125,083.69
  6. Step 6: Final answer
    x = 80,934.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.