Home / 71,952.30-99,263.07-49,557.42

Finding the Fourth Proportional to 71,952.30, 99,263.07 and 49,557.42

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Solution

The fourth proportional to 71,952.30, 99,263.07 and 49,557.42 is: 68,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,952.30 : 99,263.07 = 49,557.42 : x
  2. Step 2: Convert to fraction form
    71,952.30/99,263.07 = 49,557.42/x
  3. Step 3: Cross multiply
    71,952.30x = 99,263.07 × 49,557.42
  4. Step 4: Simplify right side
    71,952.30x = 4,919,221,650.48
  5. Step 5: Solve for x
    x = 4,919,221,650.48/71,952.30
  6. Step 6: Final answer
    x = 68,367.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.