Home / 78,876.02-118,296.20-22,716.02

Finding the Fourth Proportional to 78,876.02, 118,296.20 and 22,716.02

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Solution

The fourth proportional to 78,876.02, 118,296.20 and 22,716.02 is: 34,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,876.02 : 118,296.20 = 22,716.02 : x
  2. Step 2: Convert to fraction form
    78,876.02/118,296.20 = 22,716.02/x
  3. Step 3: Cross multiply
    78,876.02x = 118,296.20 × 22,716.02
  4. Step 4: Simplify right side
    78,876.02x = 2,687,218,845.12
  5. Step 5: Solve for x
    x = 2,687,218,845.12/78,876.02
  6. Step 6: Final answer
    x = 34,068.90

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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.