Home / 97,891.07-135,099.18-54,877.86

Finding the Fourth Proportional to 97,891.07, 135,099.18 and 54,877.86

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Solution

The fourth proportional to 97,891.07, 135,099.18 and 54,877.86 is: 75,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,891.07 : 135,099.18 = 54,877.86 : x
  2. Step 2: Convert to fraction form
    97,891.07/135,099.18 = 54,877.86/x
  3. Step 3: Cross multiply
    97,891.07x = 135,099.18 × 54,877.86
  4. Step 4: Simplify right side
    97,891.07x = 7,413,953,886.15
  5. Step 5: Solve for x
    x = 7,413,953,886.15/97,891.07
  6. Step 6: Final answer
    x = 75,736.78

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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.