Home / 71,966.97-107,924.52-30,417.21

Finding the Fourth Proportional to 71,966.97, 107,924.52 and 30,417.21

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Solution

The fourth proportional to 71,966.97, 107,924.52 and 30,417.21 is: 45,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966.97 : 107,924.52 = 30,417.21 : x
  2. Step 2: Convert to fraction form
    71,966.97/107,924.52 = 30,417.21/x
  3. Step 3: Cross multiply
    71,966.97x = 107,924.52 × 30,417.21
  4. Step 4: Simplify right side
    71,966.97x = 3,282,762,788.99
  5. Step 5: Solve for x
    x = 3,282,762,788.99/71,966.97
  6. Step 6: Final answer
    x = 45,614.85

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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.