Home / 89,568.30-134,347.05-39,633.78

Finding the Fourth Proportional to 89,568.30, 134,347.05 and 39,633.78

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Solution

The fourth proportional to 89,568.30, 134,347.05 and 39,633.78 is: 59,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,568.30 : 134,347.05 = 39,633.78 : x
  2. Step 2: Convert to fraction form
    89,568.30/134,347.05 = 39,633.78/x
  3. Step 3: Cross multiply
    89,568.30x = 134,347.05 × 39,633.78
  4. Step 4: Simplify right side
    89,568.30x = 5,324,681,423.35
  5. Step 5: Solve for x
    x = 5,324,681,423.35/89,568.30
  6. Step 6: Final answer
    x = 59,448.28

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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.