Home / 88,379.04-132,568.52-72,763.84

Finding the Fourth Proportional to 88,379.04, 132,568.52 and 72,763.84

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Solution

The fourth proportional to 88,379.04, 132,568.52 and 72,763.84 is: 109,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,379.04 : 132,568.52 = 72,763.84 : x
  2. Step 2: Convert to fraction form
    88,379.04/132,568.52 = 72,763.84/x
  3. Step 3: Cross multiply
    88,379.04x = 132,568.52 × 72,763.84
  4. Step 4: Simplify right side
    88,379.04x = 9,646,194,578.32
  5. Step 5: Solve for x
    x = 9,646,194,578.32/88,379.04
  6. Step 6: Final answer
    x = 109,145.73

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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.