Home / 106,781.22-147,355.20-59,036.58

Finding the Fourth Proportional to 106,781.22, 147,355.20 and 59,036.58

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Solution

The fourth proportional to 106,781.22, 147,355.20 and 59,036.58 is: 81,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,781.22 : 147,355.20 = 59,036.58 : x
  2. Step 2: Convert to fraction form
    106,781.22/147,355.20 = 59,036.58/x
  3. Step 3: Cross multiply
    106,781.22x = 147,355.20 × 59,036.58
  4. Step 4: Simplify right side
    106,781.22x = 8,699,347,053.22
  5. Step 5: Solve for x
    x = 8,699,347,053.22/106,781.22
  6. Step 6: Final answer
    x = 81,468.89

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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.