Home / 92,769.19-127,942.43-71,310.87

Finding the Fourth Proportional to 92,769.19, 127,942.43 and 71,310.87

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Solution

The fourth proportional to 92,769.19, 127,942.43 and 71,310.87 is: 98,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,769.19 : 127,942.43 = 71,310.87 : x
  2. Step 2: Convert to fraction form
    92,769.19/127,942.43 = 71,310.87/x
  3. Step 3: Cross multiply
    92,769.19x = 127,942.43 × 71,310.87
  4. Step 4: Simplify right side
    92,769.19x = 9,123,686,171.49
  5. Step 5: Solve for x
    x = 9,123,686,171.49/92,769.19
  6. Step 6: Final answer
    x = 98,348.24

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1.5x scale

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.