Home / 59,964.04-89,947.50-20,520.88

Finding the Fourth Proportional to 59,964.04, 89,947.50 and 20,520.88

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Solution

The fourth proportional to 59,964.04, 89,947.50 and 20,520.88 is: 30,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,964.04 : 89,947.50 = 20,520.88 : x
  2. Step 2: Convert to fraction form
    59,964.04/89,947.50 = 20,520.88/x
  3. Step 3: Cross multiply
    59,964.04x = 89,947.50 × 20,520.88
  4. Step 4: Simplify right side
    59,964.04x = 1,845,801,853.80
  5. Step 5: Solve for x
    x = 1,845,801,853.80/59,964.04
  6. Step 6: Final answer
    x = 30,781.81

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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.