Home / 75,340.80-113,011.20-58,713.30

Finding the Fourth Proportional to 75,340.80, 113,011.20 and 58,713.30

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Solution

The fourth proportional to 75,340.80, 113,011.20 and 58,713.30 is: 88,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,340.80 : 113,011.20 = 58,713.30 : x
  2. Step 2: Convert to fraction form
    75,340.80/113,011.20 = 58,713.30/x
  3. Step 3: Cross multiply
    75,340.80x = 113,011.20 × 58,713.30
  4. Step 4: Simplify right side
    75,340.80x = 6,635,260,488.96
  5. Step 5: Solve for x
    x = 6,635,260,488.96/75,340.80
  6. Step 6: Final answer
    x = 88,069.95

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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.