Home / 115,499.12-173,082.80-68,002.04

Finding the Fourth Proportional to 115,499.12, 173,082.80 and 68,002.04

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Solution

The fourth proportional to 115,499.12, 173,082.80 and 68,002.04 is: 101,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,499.12 : 173,082.80 = 68,002.04 : x
  2. Step 2: Convert to fraction form
    115,499.12/173,082.80 = 68,002.04/x
  3. Step 3: Cross multiply
    115,499.12x = 173,082.80 × 68,002.04
  4. Step 4: Simplify right side
    115,499.12x = 11,769,983,488.91
  5. Step 5: Solve for x
    x = 11,769,983,488.91/115,499.12
  6. Step 6: Final answer
    x = 101,905.40

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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.