Home / 115,510.15-173,190.30-48,932.20

Finding the Fourth Proportional to 115,510.15, 173,190.30 and 48,932.20

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Solution

The fourth proportional to 115,510.15, 173,190.30 and 48,932.20 is: 73,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,510.15 : 173,190.30 = 48,932.20 : x
  2. Step 2: Convert to fraction form
    115,510.15/173,190.30 = 48,932.20/x
  3. Step 3: Cross multiply
    115,510.15x = 173,190.30 × 48,932.20
  4. Step 4: Simplify right side
    115,510.15x = 8,474,582,397.66
  5. Step 5: Solve for x
    x = 8,474,582,397.66/115,510.15
  6. Step 6: Final answer
    x = 73,366.56

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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.