Home / 107,781.80-148,727.52-62,474.00

Finding the Fourth Proportional to 107,781.80, 148,727.52 and 62,474.00

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Solution

The fourth proportional to 107,781.80, 148,727.52 and 62,474.00 is: 86,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,781.80 : 148,727.52 = 62,474.00 : x
  2. Step 2: Convert to fraction form
    107,781.80/148,727.52 = 62,474.00/x
  3. Step 3: Cross multiply
    107,781.80x = 148,727.52 × 62,474.00
  4. Step 4: Simplify right side
    107,781.80x = 9,291,602,340.84
  5. Step 5: Solve for x
    x = 9,291,602,340.84/107,781.80
  6. Step 6: Final answer
    x = 86,207.53

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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.