Home / 77,176.74-106,472.55-50,309.82

Finding the Fourth Proportional to 77,176.74, 106,472.55 and 50,309.82

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Solution

The fourth proportional to 77,176.74, 106,472.55 and 50,309.82 is: 69,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,176.74 : 106,472.55 = 50,309.82 : x
  2. Step 2: Convert to fraction form
    77,176.74/106,472.55 = 50,309.82/x
  3. Step 3: Cross multiply
    77,176.74x = 106,472.55 × 50,309.82
  4. Step 4: Simplify right side
    77,176.74x = 5,356,614,825.44
  5. Step 5: Solve for x
    x = 5,356,614,825.44/77,176.74
  6. Step 6: Final answer
    x = 69,407.11

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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.