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Finding the Fourth Proportional to 83,515.54, 115,256.15 and 49,544.14

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Solution

The fourth proportional to 83,515.54, 115,256.15 and 49,544.14 is: 68,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,515.54 : 115,256.15 = 49,544.14 : x
  2. Step 2: Convert to fraction form
    83,515.54/115,256.15 = 49,544.14/x
  3. Step 3: Cross multiply
    83,515.54x = 115,256.15 × 49,544.14
  4. Step 4: Simplify right side
    83,515.54x = 5,710,266,379.04
  5. Step 5: Solve for x
    x = 5,710,266,379.04/83,515.54
  6. Step 6: Final answer
    x = 68,373.70

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