Home / 89,632.10-134,448.15-82,873.70

Finding the Fourth Proportional to 89,632.10, 134,448.15 and 82,873.70

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Solution

The fourth proportional to 89,632.10, 134,448.15 and 82,873.70 is: 124,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,632.10 : 134,448.15 = 82,873.70 : x
  2. Step 2: Convert to fraction form
    89,632.10/134,448.15 = 82,873.70/x
  3. Step 3: Cross multiply
    89,632.10x = 134,448.15 × 82,873.70
  4. Step 4: Simplify right side
    89,632.10x = 11,142,215,648.66
  5. Step 5: Solve for x
    x = 11,142,215,648.66/89,632.10
  6. Step 6: Final answer
    x = 124,310.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.