Home / 102,502.17-141,453.23-57,179.03

Finding the Fourth Proportional to 102,502.17, 141,453.23 and 57,179.03

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Solution

The fourth proportional to 102,502.17, 141,453.23 and 57,179.03 is: 78,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,502.17 : 141,453.23 = 57,179.03 : x
  2. Step 2: Convert to fraction form
    102,502.17/141,453.23 = 57,179.03/x
  3. Step 3: Cross multiply
    102,502.17x = 141,453.23 × 57,179.03
  4. Step 4: Simplify right side
    102,502.17x = 8,088,157,488.61
  5. Step 5: Solve for x
    x = 8,088,157,488.61/102,502.17
  6. Step 6: Final answer
    x = 78,907.18

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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.