Home / 77,713.56-116,552.93-30,329.78

Finding the Fourth Proportional to 77,713.56, 116,552.93 and 30,329.78

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Solution

The fourth proportional to 77,713.56, 116,552.93 and 30,329.78 is: 45,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,713.56 : 116,552.93 = 30,329.78 : x
  2. Step 2: Convert to fraction form
    77,713.56/116,552.93 = 30,329.78/x
  3. Step 3: Cross multiply
    77,713.56x = 116,552.93 × 30,329.78
  4. Step 4: Simplify right side
    77,713.56x = 3,535,023,990.84
  5. Step 5: Solve for x
    x = 3,535,023,990.84/77,713.56
  6. Step 6: Final answer
    x = 45,487.87

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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.