Home / 71,575.20-98,776.26-39,744.63

Finding the Fourth Proportional to 71,575.20, 98,776.26 and 39,744.63

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Solution

The fourth proportional to 71,575.20, 98,776.26 and 39,744.63 is: 54,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575.20 : 98,776.26 = 39,744.63 : x
  2. Step 2: Convert to fraction form
    71,575.20/98,776.26 = 39,744.63/x
  3. Step 3: Cross multiply
    71,575.20x = 98,776.26 × 39,744.63
  4. Step 4: Simplify right side
    71,575.20x = 3,925,825,906.48
  5. Step 5: Solve for x
    x = 3,925,825,906.48/71,575.20
  6. Step 6: Final answer
    x = 54,848.97

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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.