Home / 102,480.30-141,401.31-62,215.26

Finding the Fourth Proportional to 102,480.30, 141,401.31 and 62,215.26

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Solution

The fourth proportional to 102,480.30, 141,401.31 and 62,215.26 is: 85,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,480.30 : 141,401.31 = 62,215.26 : x
  2. Step 2: Convert to fraction form
    102,480.30/141,401.31 = 62,215.26/x
  3. Step 3: Cross multiply
    102,480.30x = 141,401.31 × 62,215.26
  4. Step 4: Simplify right side
    102,480.30x = 8,797,319,265.99
  5. Step 5: Solve for x
    x = 8,797,319,265.99/102,480.30
  6. Step 6: Final answer
    x = 85,844.00

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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.