Home / 102,625.88-141,623.71-57,913.88

Finding the Fourth Proportional to 102,625.88, 141,623.71 and 57,913.88

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Solution

The fourth proportional to 102,625.88, 141,623.71 and 57,913.88 is: 79,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,625.88 : 141,623.71 = 57,913.88 : x
  2. Step 2: Convert to fraction form
    102,625.88/141,623.71 = 57,913.88/x
  3. Step 3: Cross multiply
    102,625.88x = 141,623.71 × 57,913.88
  4. Step 4: Simplify right side
    102,625.88x = 8,201,977,693.19
  5. Step 5: Solve for x
    x = 8,201,977,693.19/102,625.88
  6. Step 6: Final answer
    x = 79,921.15

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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.