Home / 88,696.10-133,044.15-72,949.70

Finding the Fourth Proportional to 88,696.10, 133,044.15 and 72,949.70

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Solution

The fourth proportional to 88,696.10, 133,044.15 and 72,949.70 is: 109,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,696.10 : 133,044.15 = 72,949.70 : x
  2. Step 2: Convert to fraction form
    88,696.10/133,044.15 = 72,949.70/x
  3. Step 3: Cross multiply
    88,696.10x = 133,044.15 × 72,949.70
  4. Step 4: Simplify right side
    88,696.10x = 9,705,530,829.26
  5. Step 5: Solve for x
    x = 9,705,530,829.26/88,696.10
  6. Step 6: Final answer
    x = 109,424.55

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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.