Home / 106,432.18-146,897.69-61,141.22

Finding the Fourth Proportional to 106,432.18, 146,897.69 and 61,141.22

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Solution

The fourth proportional to 106,432.18, 146,897.69 and 61,141.22 is: 84,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,432.18 : 146,897.69 = 61,141.22 : x
  2. Step 2: Convert to fraction form
    106,432.18/146,897.69 = 61,141.22/x
  3. Step 3: Cross multiply
    106,432.18x = 146,897.69 × 61,141.22
  4. Step 4: Simplify right side
    106,432.18x = 8,981,503,981.78
  5. Step 5: Solve for x
    x = 8,981,503,981.78/106,432.18
  6. Step 6: Final answer
    x = 84,387.11

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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.