Home / 111,158.38-166,618.09-48,008.35

Finding the Fourth Proportional to 111,158.38, 166,618.09 and 48,008.35

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Solution

The fourth proportional to 111,158.38, 166,618.09 and 48,008.35 is: 71,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,158.38 : 166,618.09 = 48,008.35 : x
  2. Step 2: Convert to fraction form
    111,158.38/166,618.09 = 48,008.35/x
  3. Step 3: Cross multiply
    111,158.38x = 166,618.09 × 48,008.35
  4. Step 4: Simplify right side
    111,158.38x = 7,999,059,581.05
  5. Step 5: Solve for x
    x = 7,999,059,581.05/111,158.38
  6. Step 6: Final answer
    x = 71,960.92

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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.