Home / 110,110.17-151,962.64-61,711.86

Finding the Fourth Proportional to 110,110.17, 151,962.64 and 61,711.86

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Solution

The fourth proportional to 110,110.17, 151,962.64 and 61,711.86 is: 85,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,110.17 : 151,962.64 = 61,711.86 : x
  2. Step 2: Convert to fraction form
    110,110.17/151,962.64 = 61,711.86/x
  3. Step 3: Cross multiply
    110,110.17x = 151,962.64 × 61,711.86
  4. Step 4: Simplify right side
    110,110.17x = 9,377,897,164.91
  5. Step 5: Solve for x
    x = 9,377,897,164.91/110,110.17
  6. Step 6: Final answer
    x = 85,168.31

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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.