Home / 113,819.12-157,062.31-62,823.66

Finding the Fourth Proportional to 113,819.12, 157,062.31 and 62,823.66

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Solution

The fourth proportional to 113,819.12, 157,062.31 and 62,823.66 is: 86,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,819.12 : 157,062.31 = 62,823.66 : x
  2. Step 2: Convert to fraction form
    113,819.12/157,062.31 = 62,823.66/x
  3. Step 3: Cross multiply
    113,819.12x = 157,062.31 × 62,823.66
  4. Step 4: Simplify right side
    113,819.12x = 9,867,229,005.20
  5. Step 5: Solve for x
    x = 9,867,229,005.20/113,819.12
  6. Step 6: Final answer
    x = 86,692.20

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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.