Home / 77,463.28-116,180.94-20,537.56

Finding the Fourth Proportional to 77,463.28, 116,180.94 and 20,537.56

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Solution

The fourth proportional to 77,463.28, 116,180.94 and 20,537.56 is: 30,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,463.28 : 116,180.94 = 20,537.56 : x
  2. Step 2: Convert to fraction form
    77,463.28/116,180.94 = 20,537.56/x
  3. Step 3: Cross multiply
    77,463.28x = 116,180.94 × 20,537.56
  4. Step 4: Simplify right side
    77,463.28x = 2,386,073,026.11
  5. Step 5: Solve for x
    x = 2,386,073,026.11/77,463.28
  6. Step 6: Final answer
    x = 30,802.63

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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.