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Finding the Fourth Proportional to 83,104.92, 114,620.10 and 73,555.08

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Solution

The fourth proportional to 83,104.92, 114,620.10 and 73,555.08 is: 101,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,104.92 : 114,620.10 = 73,555.08 : x
  2. Step 2: Convert to fraction form
    83,104.92/114,620.10 = 73,555.08/x
  3. Step 3: Cross multiply
    83,104.92x = 114,620.10 × 73,555.08
  4. Step 4: Simplify right side
    83,104.92x = 8,430,890,625.11
  5. Step 5: Solve for x
    x = 8,430,890,625.11/83,104.92
  6. Step 6: Final answer
    x = 101,448.75

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1.5x scale

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.