Home / 106,929.88-147,550.29-61,622.71

Finding the Fourth Proportional to 106,929.88, 147,550.29 and 61,622.71

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Solution

The fourth proportional to 106,929.88, 147,550.29 and 61,622.71 is: 85,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,929.88 : 147,550.29 = 61,622.71 : x
  2. Step 2: Convert to fraction form
    106,929.88/147,550.29 = 61,622.71/x
  3. Step 3: Cross multiply
    106,929.88x = 147,550.29 × 61,622.71
  4. Step 4: Simplify right side
    106,929.88x = 9,092,448,731.09
  5. Step 5: Solve for x
    x = 9,092,448,731.09/106,929.88
  6. Step 6: Final answer
    x = 85,031.88

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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.