Home / 78,948.20-118,469.02-29,063.36

Finding the Fourth Proportional to 78,948.20, 118,469.02 and 29,063.36

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Solution

The fourth proportional to 78,948.20, 118,469.02 and 29,063.36 is: 43,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,948.20 : 118,469.02 = 29,063.36 : x
  2. Step 2: Convert to fraction form
    78,948.20/118,469.02 = 29,063.36/x
  3. Step 3: Cross multiply
    78,948.20x = 118,469.02 × 29,063.36
  4. Step 4: Simplify right side
    78,948.20x = 3,443,107,777.11
  5. Step 5: Solve for x
    x = 3,443,107,777.11/78,948.20
  6. Step 6: Final answer
    x = 43,612.24

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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.