Home / 113,696.88-156,902.31-62,711.40

Finding the Fourth Proportional to 113,696.88, 156,902.31 and 62,711.40

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Solution

The fourth proportional to 113,696.88, 156,902.31 and 62,711.40 is: 86,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,696.88 : 156,902.31 = 62,711.40 : x
  2. Step 2: Convert to fraction form
    113,696.88/156,902.31 = 62,711.40/x
  3. Step 3: Cross multiply
    113,696.88x = 156,902.31 × 62,711.40
  4. Step 4: Simplify right side
    113,696.88x = 9,839,563,523.33
  5. Step 5: Solve for x
    x = 9,839,563,523.33/113,696.88
  6. Step 6: Final answer
    x = 86,542.07

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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.