Home / 110,122.55-151,932.98-61,717.41

Finding the Fourth Proportional to 110,122.55, 151,932.98 and 61,717.41

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Solution

The fourth proportional to 110,122.55, 151,932.98 and 61,717.41 is: 85,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,122.55 : 151,932.98 = 61,717.41 : x
  2. Step 2: Convert to fraction form
    110,122.55/151,932.98 = 61,717.41/x
  3. Step 3: Cross multiply
    110,122.55x = 151,932.98 × 61,717.41
  4. Step 4: Simplify right side
    110,122.55x = 9,376,910,019.18
  5. Step 5: Solve for x
    x = 9,376,910,019.18/110,122.55
  6. Step 6: Final answer
    x = 85,149.77

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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.