Home / 103,115.38-154,695.12-32,036.44

Finding the Fourth Proportional to 103,115.38, 154,695.12 and 32,036.44

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Solution

The fourth proportional to 103,115.38, 154,695.12 and 32,036.44 is: 48,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,115.38 : 154,695.12 = 32,036.44 : x
  2. Step 2: Convert to fraction form
    103,115.38/154,695.12 = 32,036.44/x
  3. Step 3: Cross multiply
    103,115.38x = 154,695.12 × 32,036.44
  4. Step 4: Simplify right side
    103,115.38x = 4,955,880,930.17
  5. Step 5: Solve for x
    x = 4,955,880,930.17/103,115.38
  6. Step 6: Final answer
    x = 48,061.51

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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.