Home / 102,566.97-141,549.52-57,253.76

Finding the Fourth Proportional to 102,566.97, 141,549.52 and 57,253.76

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Solution

The fourth proportional to 102,566.97, 141,549.52 and 57,253.76 is: 79,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,566.97 : 141,549.52 = 57,253.76 : x
  2. Step 2: Convert to fraction form
    102,566.97/141,549.52 = 57,253.76/x
  3. Step 3: Cross multiply
    102,566.97x = 141,549.52 × 57,253.76
  4. Step 4: Simplify right side
    102,566.97x = 8,104,242,456.93
  5. Step 5: Solve for x
    x = 8,104,242,456.93/102,566.97
  6. Step 6: Final answer
    x = 79,014.15

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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.