Home / 83,487.35-115,213.94-45,248.13

Finding the Fourth Proportional to 83,487.35, 115,213.94 and 45,248.13

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Solution

The fourth proportional to 83,487.35, 115,213.94 and 45,248.13 is: 62,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487.35 : 115,213.94 = 45,248.13 : x
  2. Step 2: Convert to fraction form
    83,487.35/115,213.94 = 45,248.13/x
  3. Step 3: Cross multiply
    83,487.35x = 115,213.94 × 45,248.13
  4. Step 4: Simplify right side
    83,487.35x = 5,213,215,016.00
  5. Step 5: Solve for x
    x = 5,213,215,016.00/83,487.35
  6. Step 6: Final answer
    x = 62,443.17

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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.