Home / 101,981.04-152,919.04-45,772.97

Finding the Fourth Proportional to 101,981.04, 152,919.04 and 45,772.97

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Solution

The fourth proportional to 101,981.04, 152,919.04 and 45,772.97 is: 68,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,981.04 : 152,919.04 = 45,772.97 : x
  2. Step 2: Convert to fraction form
    101,981.04/152,919.04 = 45,772.97/x
  3. Step 3: Cross multiply
    101,981.04x = 152,919.04 × 45,772.97
  4. Step 4: Simplify right side
    101,981.04x = 6,999,557,837.15
  5. Step 5: Solve for x
    x = 6,999,557,837.15/101,981.04
  6. Step 6: Final answer
    x = 68,635.87

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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.