Home / 97,941.38-135,171.86-57,658.86

Finding the Fourth Proportional to 97,941.38, 135,171.86 and 57,658.86

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Solution

The fourth proportional to 97,941.38, 135,171.86 and 57,658.86 is: 79,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,941.38 : 135,171.86 = 57,658.86 : x
  2. Step 2: Convert to fraction form
    97,941.38/135,171.86 = 57,658.86/x
  3. Step 3: Cross multiply
    97,941.38x = 135,171.86 × 57,658.86
  4. Step 4: Simplify right side
    97,941.38x = 7,793,855,063.39
  5. Step 5: Solve for x
    x = 7,793,855,063.39/97,941.38
  6. Step 6: Final answer
    x = 79,576.74

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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.