Home / 83,149.47-124,646.45-30,544.83

Finding the Fourth Proportional to 83,149.47, 124,646.45 and 30,544.83

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Solution

The fourth proportional to 83,149.47, 124,646.45 and 30,544.83 is: 45,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,149.47 : 124,646.45 = 30,544.83 : x
  2. Step 2: Convert to fraction form
    83,149.47/124,646.45 = 30,544.83/x
  3. Step 3: Cross multiply
    83,149.47x = 124,646.45 × 30,544.83
  4. Step 4: Simplify right side
    83,149.47x = 3,807,304,472.63
  5. Step 5: Solve for x
    x = 3,807,304,472.63/83,149.47
  6. Step 6: Final answer
    x = 45,788.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.