Home / 113,806.86-157,053.48-62,819.61

Finding the Fourth Proportional to 113,806.86, 157,053.48 and 62,819.61

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Solution

The fourth proportional to 113,806.86, 157,053.48 and 62,819.61 is: 86,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,806.86 : 157,053.48 = 62,819.61 : x
  2. Step 2: Convert to fraction form
    113,806.86/157,053.48 = 62,819.61/x
  3. Step 3: Cross multiply
    113,806.86x = 157,053.48 × 62,819.61
  4. Step 4: Simplify right side
    113,806.86x = 9,866,037,420.43
  5. Step 5: Solve for x
    x = 9,866,037,420.43/113,806.86
  6. Step 6: Final answer
    x = 86,691.06

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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.