Home / 77,182.57-115,773.86-50,881.16

Finding the Fourth Proportional to 77,182.57, 115,773.86 and 50,881.16

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Solution

The fourth proportional to 77,182.57, 115,773.86 and 50,881.16 is: 76,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,182.57 : 115,773.86 = 50,881.16 : x
  2. Step 2: Convert to fraction form
    77,182.57/115,773.86 = 50,881.16/x
  3. Step 3: Cross multiply
    77,182.57x = 115,773.86 × 50,881.16
  4. Step 4: Simplify right side
    77,182.57x = 5,890,708,424.91
  5. Step 5: Solve for x
    x = 5,890,708,424.91/77,182.57
  6. Step 6: Final answer
    x = 76,321.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.