Home / 89,557.40-133,545.99-88,757.93

Finding the Fourth Proportional to 89,557.40, 133,545.99 and 88,757.93

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Solution

The fourth proportional to 89,557.40, 133,545.99 and 88,757.93 is: 132,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,557.40 : 133,545.99 = 88,757.93 : x
  2. Step 2: Convert to fraction form
    89,557.40/133,545.99 = 88,757.93/x
  3. Step 3: Cross multiply
    89,557.40x = 133,545.99 × 88,757.93
  4. Step 4: Simplify right side
    89,557.40x = 11,853,264,964.47
  5. Step 5: Solve for x
    x = 11,853,264,964.47/89,557.40
  6. Step 6: Final answer
    x = 132,353.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.