Home / 113,857.11-157,114.71-62,861.61

Finding the Fourth Proportional to 113,857.11, 157,114.71 and 62,861.61

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Solution

The fourth proportional to 113,857.11, 157,114.71 and 62,861.61 is: 86,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,857.11 : 157,114.71 = 62,861.61 : x
  2. Step 2: Convert to fraction form
    113,857.11/157,114.71 = 62,861.61/x
  3. Step 3: Cross multiply
    113,857.11x = 157,114.71 × 62,861.61
  4. Step 4: Simplify right side
    113,857.11x = 9,876,483,625.28
  5. Step 5: Solve for x
    x = 9,876,483,625.28/113,857.11
  6. Step 6: Final answer
    x = 86,744.55

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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.