Home / 110,109.86-151,962.21-61,711.55

Finding the Fourth Proportional to 110,109.86, 151,962.21 and 61,711.55

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Solution

The fourth proportional to 110,109.86, 151,962.21 and 61,711.55 is: 85,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,109.86 : 151,962.21 = 61,711.55 : x
  2. Step 2: Convert to fraction form
    110,109.86/151,962.21 = 61,711.55/x
  3. Step 3: Cross multiply
    110,109.86x = 151,962.21 × 61,711.55
  4. Step 4: Simplify right side
    110,109.86x = 9,377,823,099.15
  5. Step 5: Solve for x
    x = 9,377,823,099.15/110,109.86
  6. Step 6: Final answer
    x = 85,167.88

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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.