Home / 106,862.14-147,469.71-59,115.52

Finding the Fourth Proportional to 106,862.14, 147,469.71 and 59,115.52

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Solution

The fourth proportional to 106,862.14, 147,469.71 and 59,115.52 is: 81,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,862.14 : 147,469.71 = 59,115.52 : x
  2. Step 2: Convert to fraction form
    106,862.14/147,469.71 = 59,115.52/x
  3. Step 3: Cross multiply
    106,862.14x = 147,469.71 × 59,115.52
  4. Step 4: Simplify right side
    106,862.14x = 8,717,748,996.92
  5. Step 5: Solve for x
    x = 8,717,748,996.92/106,862.14
  6. Step 6: Final answer
    x = 81,579.40

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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.