Home / 84,568.08-126,780.84-42,396.24

Finding the Fourth Proportional to 84,568.08, 126,780.84 and 42,396.24

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Solution

The fourth proportional to 84,568.08, 126,780.84 and 42,396.24 is: 63,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,568.08 : 126,780.84 = 42,396.24 : x
  2. Step 2: Convert to fraction form
    84,568.08/126,780.84 = 42,396.24/x
  3. Step 3: Cross multiply
    84,568.08x = 126,780.84 × 42,396.24
  4. Step 4: Simplify right side
    84,568.08x = 5,375,030,920.04
  5. Step 5: Solve for x
    x = 5,375,030,920.04/84,568.08
  6. Step 6: Final answer
    x = 63,558.63

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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.