Home / 66,781.28-100,222.70-24,701.17

Finding the Fourth Proportional to 66,781.28, 100,222.70 and 24,701.17

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Solution

The fourth proportional to 66,781.28, 100,222.70 and 24,701.17 is: 37,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,781.28 : 100,222.70 = 24,701.17 : x
  2. Step 2: Convert to fraction form
    66,781.28/100,222.70 = 24,701.17/x
  3. Step 3: Cross multiply
    66,781.28x = 100,222.70 × 24,701.17
  4. Step 4: Simplify right side
    66,781.28x = 2,475,617,325.94
  5. Step 5: Solve for x
    x = 2,475,617,325.94/66,781.28
  6. Step 6: Final answer
    x = 37,070.53

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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.