Home / 71,793.14-99,070.64-39,521.48

Finding the Fourth Proportional to 71,793.14, 99,070.64 and 39,521.48

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Solution

The fourth proportional to 71,793.14, 99,070.64 and 39,521.48 is: 54,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,793.14 : 99,070.64 = 39,521.48 : x
  2. Step 2: Convert to fraction form
    71,793.14/99,070.64 = 39,521.48/x
  3. Step 3: Cross multiply
    71,793.14x = 99,070.64 × 39,521.48
  4. Step 4: Simplify right side
    71,793.14x = 3,915,418,317.35
  5. Step 5: Solve for x
    x = 3,915,418,317.35/71,793.14
  6. Step 6: Final answer
    x = 54,537.50

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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.