Home / 84,587.44-126,613.32-59,511.28

Finding the Fourth Proportional to 84,587.44, 126,613.32 and 59,511.28

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Solution

The fourth proportional to 84,587.44, 126,613.32 and 59,511.28 is: 89,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,587.44 : 126,613.32 = 59,511.28 : x
  2. Step 2: Convert to fraction form
    84,587.44/126,613.32 = 59,511.28/x
  3. Step 3: Cross multiply
    84,587.44x = 126,613.32 × 59,511.28
  4. Step 4: Simplify right side
    84,587.44x = 7,534,920,738.25
  5. Step 5: Solve for x
    x = 7,534,920,738.25/84,587.44
  6. Step 6: Final answer
    x = 89,078.48

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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.