Home / 113,819.16-157,079.12-62,841.70

Finding the Fourth Proportional to 113,819.16, 157,079.12 and 62,841.70

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Solution

The fourth proportional to 113,819.16, 157,079.12 and 62,841.70 is: 86,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,819.16 : 157,079.12 = 62,841.70 : x
  2. Step 2: Convert to fraction form
    113,819.16/157,079.12 = 62,841.70/x
  3. Step 3: Cross multiply
    113,819.16x = 157,079.12 × 62,841.70
  4. Step 4: Simplify right side
    113,819.16x = 9,871,118,935.30
  5. Step 5: Solve for x
    x = 9,871,118,935.30/113,819.16
  6. Step 6: Final answer
    x = 86,726.34

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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.