Home / 107,705.52-148,622.85-62,398.08

Finding the Fourth Proportional to 107,705.52, 148,622.85 and 62,398.08

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Solution

The fourth proportional to 107,705.52, 148,622.85 and 62,398.08 is: 86,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,705.52 : 148,622.85 = 62,398.08 : x
  2. Step 2: Convert to fraction form
    107,705.52/148,622.85 = 62,398.08/x
  3. Step 3: Cross multiply
    107,705.52x = 148,622.85 × 62,398.08
  4. Step 4: Simplify right side
    107,705.52x = 9,273,780,484.13
  5. Step 5: Solve for x
    x = 9,273,780,484.13/107,705.52
  6. Step 6: Final answer
    x = 86,103.11

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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.