Home / 92,581.17-127,762.18-50,139.70

Finding the Fourth Proportional to 92,581.17, 127,762.18 and 50,139.70

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Solution

The fourth proportional to 92,581.17, 127,762.18 and 50,139.70 is: 69,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,581.17 : 127,762.18 = 50,139.70 : x
  2. Step 2: Convert to fraction form
    92,581.17/127,762.18 = 50,139.70/x
  3. Step 3: Cross multiply
    92,581.17x = 127,762.18 × 50,139.70
  4. Step 4: Simplify right side
    92,581.17x = 6,405,957,376.55
  5. Step 5: Solve for x
    x = 6,405,957,376.55/92,581.17
  6. Step 6: Final answer
    x = 69,192.88

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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.