Home / 97,769.52-134,936.36-61,962.76

Finding the Fourth Proportional to 97,769.52, 134,936.36 and 61,962.76

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Solution

The fourth proportional to 97,769.52, 134,936.36 and 61,962.76 is: 85,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,769.52 : 134,936.36 = 61,962.76 : x
  2. Step 2: Convert to fraction form
    97,769.52/134,936.36 = 61,962.76/x
  3. Step 3: Cross multiply
    97,769.52x = 134,936.36 × 61,962.76
  4. Step 4: Simplify right side
    97,769.52x = 8,361,029,289.95
  5. Step 5: Solve for x
    x = 8,361,029,289.95/97,769.52
  6. Step 6: Final answer
    x = 85,517.75

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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.