Home / 113,942.28-157,239.41-62,954.85

Finding the Fourth Proportional to 113,942.28, 157,239.41 and 62,954.85

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Solution

The fourth proportional to 113,942.28, 157,239.41 and 62,954.85 is: 86,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,942.28 : 157,239.41 = 62,954.85 : x
  2. Step 2: Convert to fraction form
    113,942.28/157,239.41 = 62,954.85/x
  3. Step 3: Cross multiply
    113,942.28x = 157,239.41 × 62,954.85
  4. Step 4: Simplify right side
    113,942.28x = 9,898,983,155.86
  5. Step 5: Solve for x
    x = 9,898,983,155.86/113,942.28
  6. Step 6: Final answer
    x = 86,877.17

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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.