Home / 68,297.04-102,456.36-28,859.76

Finding the Fourth Proportional to 68,297.04, 102,456.36 and 28,859.76

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Solution

The fourth proportional to 68,297.04, 102,456.36 and 28,859.76 is: 43,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,297.04 : 102,456.36 = 28,859.76 : x
  2. Step 2: Convert to fraction form
    68,297.04/102,456.36 = 28,859.76/x
  3. Step 3: Cross multiply
    68,297.04x = 102,456.36 × 28,859.76
  4. Step 4: Simplify right side
    68,297.04x = 2,956,865,960.07
  5. Step 5: Solve for x
    x = 2,956,865,960.07/68,297.04
  6. Step 6: Final answer
    x = 43,294.20

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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.