Home / 113,016.75-155,967.98-62,715.75

Finding the Fourth Proportional to 113,016.75, 155,967.98 and 62,715.75

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Solution

The fourth proportional to 113,016.75, 155,967.98 and 62,715.75 is: 86,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,016.75 : 155,967.98 = 62,715.75 : x
  2. Step 2: Convert to fraction form
    113,016.75/155,967.98 = 62,715.75/x
  3. Step 3: Cross multiply
    113,016.75x = 155,967.98 × 62,715.75
  4. Step 4: Simplify right side
    113,016.75x = 9,781,648,528.11
  5. Step 5: Solve for x
    x = 9,781,648,528.11/113,016.75
  6. Step 6: Final answer
    x = 86,550.43

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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.