Home / 77,775.21-116,708.13-32,793.81

Finding the Fourth Proportional to 77,775.21, 116,708.13 and 32,793.81

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Solution

The fourth proportional to 77,775.21, 116,708.13 and 32,793.81 is: 49,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,775.21 : 116,708.13 = 32,793.81 : x
  2. Step 2: Convert to fraction form
    77,775.21/116,708.13 = 32,793.81/x
  3. Step 3: Cross multiply
    77,775.21x = 116,708.13 × 32,793.81
  4. Step 4: Simplify right side
    77,775.21x = 3,827,304,240.68
  5. Step 5: Solve for x
    x = 3,827,304,240.68/77,775.21
  6. Step 6: Final answer
    x = 49,209.82

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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.