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Finding the Fourth Proportional to 89,117.70, 133,696.80 and 29,959.35

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Solution

The fourth proportional to 89,117.70, 133,696.80 and 29,959.35 is: 44,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,117.70 : 133,696.80 = 29,959.35 : x
  2. Step 2: Convert to fraction form
    89,117.70/133,696.80 = 29,959.35/x
  3. Step 3: Cross multiply
    89,117.70x = 133,696.80 × 29,959.35
  4. Step 4: Simplify right side
    89,117.70x = 4,005,469,225.08
  5. Step 5: Solve for x
    x = 4,005,469,225.08/89,117.70
  6. Step 6: Final answer
    x = 44,945.83

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1.5x scale

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.