Home / 70,132.80-96,781.73-38,301.83

Finding the Fourth Proportional to 70,132.80, 96,781.73 and 38,301.83

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Solution

The fourth proportional to 70,132.80, 96,781.73 and 38,301.83 is: 52,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,132.80 : 96,781.73 = 38,301.83 : x
  2. Step 2: Convert to fraction form
    70,132.80/96,781.73 = 38,301.83/x
  3. Step 3: Cross multiply
    70,132.80x = 96,781.73 × 38,301.83
  4. Step 4: Simplify right side
    70,132.80x = 3,706,916,694.15
  5. Step 5: Solve for x
    x = 3,706,916,694.15/70,132.80
  6. Step 6: Final answer
    x = 52,855.68

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1.5x scale

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.