Home / 89,044.76-133,363.02-57,785.24

Finding the Fourth Proportional to 89,044.76, 133,363.02 and 57,785.24

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Solution

The fourth proportional to 89,044.76, 133,363.02 and 57,785.24 is: 86,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,044.76 : 133,363.02 = 57,785.24 : x
  2. Step 2: Convert to fraction form
    89,044.76/133,363.02 = 57,785.24/x
  3. Step 3: Cross multiply
    89,044.76x = 133,363.02 × 57,785.24
  4. Step 4: Simplify right side
    89,044.76x = 7,706,414,117.82
  5. Step 5: Solve for x
    x = 7,706,414,117.82/89,044.76
  6. Step 6: Final answer
    x = 86,545.40

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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.