Home / 68,935.04-103,257.25-31,526.61

Finding the Fourth Proportional to 68,935.04, 103,257.25 and 31,526.61

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Solution

The fourth proportional to 68,935.04, 103,257.25 and 31,526.61 is: 47,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,935.04 : 103,257.25 = 31,526.61 : x
  2. Step 2: Convert to fraction form
    68,935.04/103,257.25 = 31,526.61/x
  3. Step 3: Cross multiply
    68,935.04x = 103,257.25 × 31,526.61
  4. Step 4: Simplify right side
    68,935.04x = 3,255,350,584.39
  5. Step 5: Solve for x
    x = 3,255,350,584.39/68,935.04
  6. Step 6: Final answer
    x = 47,223.45

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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.