Home / 67,768.39-93,521.70-39,475.90

Finding the Fourth Proportional to 67,768.39, 93,521.70 and 39,475.90

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Solution

The fourth proportional to 67,768.39, 93,521.70 and 39,475.90 is: 54,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,768.39 : 93,521.70 = 39,475.90 : x
  2. Step 2: Convert to fraction form
    67,768.39/93,521.70 = 39,475.90/x
  3. Step 3: Cross multiply
    67,768.39x = 93,521.70 × 39,475.90
  4. Step 4: Simplify right side
    67,768.39x = 3,691,853,277.03
  5. Step 5: Solve for x
    x = 3,691,853,277.03/67,768.39
  6. Step 6: Final answer
    x = 54,477.51

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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.