Home / 90,002.98-124,205.07-49,717.81

Finding the Fourth Proportional to 90,002.98, 124,205.07 and 49,717.81

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Solution

The fourth proportional to 90,002.98, 124,205.07 and 49,717.81 is: 68,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002.98 : 124,205.07 = 49,717.81 : x
  2. Step 2: Convert to fraction form
    90,002.98/124,205.07 = 49,717.81/x
  3. Step 3: Cross multiply
    90,002.98x = 124,205.07 × 49,717.81
  4. Step 4: Simplify right side
    90,002.98x = 6,175,204,071.30
  5. Step 5: Solve for x
    x = 6,175,204,071.30/90,002.98
  6. Step 6: Final answer
    x = 68,611.11

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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.