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Finding the Fourth Proportional to 89,113.98, 133,670.97 and 29,949.65

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Solution

The fourth proportional to 89,113.98, 133,670.97 and 29,949.65 is: 44,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,113.98 : 133,670.97 = 29,949.65 : x
  2. Step 2: Convert to fraction form
    89,113.98/133,670.97 = 29,949.65/x
  3. Step 3: Cross multiply
    89,113.98x = 133,670.97 × 29,949.65
  4. Step 4: Simplify right side
    89,113.98x = 4,003,398,599.57
  5. Step 5: Solve for x
    x = 4,003,398,599.57/89,113.98
  6. Step 6: Final answer
    x = 44,924.47

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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.