Home / 78,498.48-108,272.19-48,244.07

Finding the Fourth Proportional to 78,498.48, 108,272.19 and 48,244.07

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Solution

The fourth proportional to 78,498.48, 108,272.19 and 48,244.07 is: 66,542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,498.48 : 108,272.19 = 48,244.07 : x
  2. Step 2: Convert to fraction form
    78,498.48/108,272.19 = 48,244.07/x
  3. Step 3: Cross multiply
    78,498.48x = 108,272.19 × 48,244.07
  4. Step 4: Simplify right side
    78,498.48x = 5,223,491,565.01
  5. Step 5: Solve for x
    x = 5,223,491,565.01/78,498.48
  6. Step 6: Final answer
    x = 66,542.58

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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.