Home / 78,927.92-118,407.52-29,008.43

Finding the Fourth Proportional to 78,927.92, 118,407.52 and 29,008.43

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Solution

The fourth proportional to 78,927.92, 118,407.52 and 29,008.43 is: 43,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,927.92 : 118,407.52 = 29,008.43 : x
  2. Step 2: Convert to fraction form
    78,927.92/118,407.52 = 29,008.43/x
  3. Step 3: Cross multiply
    78,927.92x = 118,407.52 × 29,008.43
  4. Step 4: Simplify right side
    78,927.92x = 3,434,816,143.64
  5. Step 5: Solve for x
    x = 3,434,816,143.64/78,927.92
  6. Step 6: Final answer
    x = 43,518.39

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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.