Home / 84,180.33-126,095.49-39,842.55

Finding the Fourth Proportional to 84,180.33, 126,095.49 and 39,842.55

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Solution

The fourth proportional to 84,180.33, 126,095.49 and 39,842.55 is: 59,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,180.33 : 126,095.49 = 39,842.55 : x
  2. Step 2: Convert to fraction form
    84,180.33/126,095.49 = 39,842.55/x
  3. Step 3: Cross multiply
    84,180.33x = 126,095.49 × 39,842.55
  4. Step 4: Simplify right side
    84,180.33x = 5,023,965,865.10
  5. Step 5: Solve for x
    x = 5,023,965,865.10/84,180.33
  6. Step 6: Final answer
    x = 59,681.00

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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.