Home / 84,489.08-126,615.42-56,059.43

Finding the Fourth Proportional to 84,489.08, 126,615.42 and 56,059.43

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Solution

The fourth proportional to 84,489.08, 126,615.42 and 56,059.43 is: 84,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,489.08 : 126,615.42 = 56,059.43 : x
  2. Step 2: Convert to fraction form
    84,489.08/126,615.42 = 56,059.43/x
  3. Step 3: Cross multiply
    84,489.08x = 126,615.42 × 56,059.43
  4. Step 4: Simplify right side
    84,489.08x = 7,097,987,641.33
  5. Step 5: Solve for x
    x = 7,097,987,641.33/84,489.08
  6. Step 6: Final answer
    x = 84,010.72

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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.