Home / 77,475.76-116,275.92-40,046.81

Finding the Fourth Proportional to 77,475.76, 116,275.92 and 40,046.81

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Solution

The fourth proportional to 77,475.76, 116,275.92 and 40,046.81 is: 60,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,475.76 : 116,275.92 = 40,046.81 : x
  2. Step 2: Convert to fraction form
    77,475.76/116,275.92 = 40,046.81/x
  3. Step 3: Cross multiply
    77,475.76x = 116,275.92 × 40,046.81
  4. Step 4: Simplify right side
    77,475.76x = 4,656,479,775.93
  5. Step 5: Solve for x
    x = 4,656,479,775.93/77,475.76
  6. Step 6: Final answer
    x = 60,102.41

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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.