Home / 106,553.76-147,063.24-63,536.02

Finding the Fourth Proportional to 106,553.76, 147,063.24 and 63,536.02

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Solution

The fourth proportional to 106,553.76, 147,063.24 and 63,536.02 is: 87,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,553.76 : 147,063.24 = 63,536.02 : x
  2. Step 2: Convert to fraction form
    106,553.76/147,063.24 = 63,536.02/x
  3. Step 3: Cross multiply
    106,553.76x = 147,063.24 × 63,536.02
  4. Step 4: Simplify right side
    106,553.76x = 9,343,812,957.90
  5. Step 5: Solve for x
    x = 9,343,812,957.90/106,553.76
  6. Step 6: Final answer
    x = 87,691.07

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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.