Home / 92,581.40-127,761.78-50,139.56

Finding the Fourth Proportional to 92,581.40, 127,761.78 and 50,139.56

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Solution

The fourth proportional to 92,581.40, 127,761.78 and 50,139.56 is: 69,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,581.40 : 127,761.78 = 50,139.56 : x
  2. Step 2: Convert to fraction form
    92,581.40/127,761.78 = 50,139.56/x
  3. Step 3: Cross multiply
    92,581.40x = 127,761.78 × 50,139.56
  4. Step 4: Simplify right side
    92,581.40x = 6,405,919,434.02
  5. Step 5: Solve for x
    x = 6,405,919,434.02/92,581.40
  6. Step 6: Final answer
    x = 69,192.29

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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.