Home / 77,317.17-115,778.87-50,941.95

Finding the Fourth Proportional to 77,317.17, 115,778.87 and 50,941.95

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Solution

The fourth proportional to 77,317.17, 115,778.87 and 50,941.95 is: 76,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,317.17 : 115,778.87 = 50,941.95 : x
  2. Step 2: Convert to fraction form
    77,317.17/115,778.87 = 50,941.95/x
  3. Step 3: Cross multiply
    77,317.17x = 115,778.87 × 50,941.95
  4. Step 4: Simplify right side
    77,317.17x = 5,898,000,908.75
  5. Step 5: Solve for x
    x = 5,898,000,908.75/77,317.17
  6. Step 6: Final answer
    x = 76,283.20

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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.