Home / 79,965.20-119,947.79-24,561.20

Finding the Fourth Proportional to 79,965.20, 119,947.79 and 24,561.20

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Solution

The fourth proportional to 79,965.20, 119,947.79 and 24,561.20 is: 36,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,965.20 : 119,947.79 = 24,561.20 : x
  2. Step 2: Convert to fraction form
    79,965.20/119,947.79 = 24,561.20/x
  3. Step 3: Cross multiply
    79,965.20x = 119,947.79 × 24,561.20
  4. Step 4: Simplify right side
    79,965.20x = 2,946,060,937.20
  5. Step 5: Solve for x
    x = 2,946,060,937.20/79,965.20
  6. Step 6: Final answer
    x = 36,841.79

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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.