Home / 84,346.97-126,582.75-39,973.85

Finding the Fourth Proportional to 84,346.97, 126,582.75 and 39,973.85

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Solution

The fourth proportional to 84,346.97, 126,582.75 and 39,973.85 is: 59,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,346.97 : 126,582.75 = 39,973.85 : x
  2. Step 2: Convert to fraction form
    84,346.97/126,582.75 = 39,973.85/x
  3. Step 3: Cross multiply
    84,346.97x = 126,582.75 × 39,973.85
  4. Step 4: Simplify right side
    84,346.97x = 5,060,000,414.89
  5. Step 5: Solve for x
    x = 5,060,000,414.89/84,346.97
  6. Step 6: Final answer
    x = 59,990.30

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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.