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Finding the Fourth Proportional to 83,244.68, 114,855.50 and 47,433.92

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Solution

The fourth proportional to 83,244.68, 114,855.50 and 47,433.92 is: 65,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,244.68 : 114,855.50 = 47,433.92 : x
  2. Step 2: Convert to fraction form
    83,244.68/114,855.50 = 47,433.92/x
  3. Step 3: Cross multiply
    83,244.68x = 114,855.50 × 47,433.92
  4. Step 4: Simplify right side
    83,244.68x = 5,448,047,004.28
  5. Step 5: Solve for x
    x = 5,448,047,004.28/83,244.68
  6. Step 6: Final answer
    x = 65,446.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.