Home / 89,823.26-134,747.19-30,643.04

Finding the Fourth Proportional to 89,823.26, 134,747.19 and 30,643.04

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Solution

The fourth proportional to 89,823.26, 134,747.19 and 30,643.04 is: 45,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.26 : 134,747.19 = 30,643.04 : x
  2. Step 2: Convert to fraction form
    89,823.26/134,747.19 = 30,643.04/x
  3. Step 3: Cross multiply
    89,823.26x = 134,747.19 × 30,643.04
  4. Step 4: Simplify right side
    89,823.26x = 4,129,063,869.93
  5. Step 5: Solve for x
    x = 4,129,063,869.93/89,823.26
  6. Step 6: Final answer
    x = 45,968.76

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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.