Home / 75,519.80-113,281.62-42,221.24

Finding the Fourth Proportional to 75,519.80, 113,281.62 and 42,221.24

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Solution

The fourth proportional to 75,519.80, 113,281.62 and 42,221.24 is: 63,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,519.80 : 113,281.62 = 42,221.24 : x
  2. Step 2: Convert to fraction form
    75,519.80/113,281.62 = 42,221.24/x
  3. Step 3: Cross multiply
    75,519.80x = 113,281.62 × 42,221.24
  4. Step 4: Simplify right side
    75,519.80x = 4,782,890,465.61
  5. Step 5: Solve for x
    x = 4,782,890,465.61/75,519.80
  6. Step 6: Final answer
    x = 63,332.93

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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.