Home / 102,884.88-141,986.66-57,560.15

Finding the Fourth Proportional to 102,884.88, 141,986.66 and 57,560.15

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Solution

The fourth proportional to 102,884.88, 141,986.66 and 57,560.15 is: 79,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,884.88 : 141,986.66 = 57,560.15 : x
  2. Step 2: Convert to fraction form
    102,884.88/141,986.66 = 57,560.15/x
  3. Step 3: Cross multiply
    102,884.88x = 141,986.66 × 57,560.15
  4. Step 4: Simplify right side
    102,884.88x = 8,172,773,514.76
  5. Step 5: Solve for x
    x = 8,172,773,514.76/102,884.88
  6. Step 6: Final answer
    x = 79,436.10

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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.