Home / 98,932.24-136,521.66-55,912.60

Finding the Fourth Proportional to 98,932.24, 136,521.66 and 55,912.60

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Solution

The fourth proportional to 98,932.24, 136,521.66 and 55,912.60 is: 77,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,932.24 : 136,521.66 = 55,912.60 : x
  2. Step 2: Convert to fraction form
    98,932.24/136,521.66 = 55,912.60/x
  3. Step 3: Cross multiply
    98,932.24x = 136,521.66 × 55,912.60
  4. Step 4: Simplify right side
    98,932.24x = 7,633,280,966.92
  5. Step 5: Solve for x
    x = 7,633,280,966.92/98,932.24
  6. Step 6: Final answer
    x = 77,156.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.