Home / 102,517.16-141,473.70-57,805.16

Finding the Fourth Proportional to 102,517.16, 141,473.70 and 57,805.16

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Solution

The fourth proportional to 102,517.16, 141,473.70 and 57,805.16 is: 79,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,517.16 : 141,473.70 = 57,805.16 : x
  2. Step 2: Convert to fraction form
    102,517.16/141,473.70 = 57,805.16/x
  3. Step 3: Cross multiply
    102,517.16x = 141,473.70 × 57,805.16
  4. Step 4: Simplify right side
    102,517.16x = 8,177,909,864.29
  5. Step 5: Solve for x
    x = 8,177,909,864.29/102,517.16
  6. Step 6: Final answer
    x = 79,771.13

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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.