Home / 88,769.13-122,505.04-51,043.38

Finding the Fourth Proportional to 88,769.13, 122,505.04 and 51,043.38

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Solution

The fourth proportional to 88,769.13, 122,505.04 and 51,043.38 is: 70,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,769.13 : 122,505.04 = 51,043.38 : x
  2. Step 2: Convert to fraction form
    88,769.13/122,505.04 = 51,043.38/x
  3. Step 3: Cross multiply
    88,769.13x = 122,505.04 × 51,043.38
  4. Step 4: Simplify right side
    88,769.13x = 6,253,071,308.64
  5. Step 5: Solve for x
    x = 6,253,071,308.64/88,769.13
  6. Step 6: Final answer
    x = 70,441.96

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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.