Home / 44,068.28-66,104.40-12,480.68

Finding the Fourth Proportional to 44,068.28, 66,104.40 and 12,480.68

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Solution

The fourth proportional to 44,068.28, 66,104.40 and 12,480.68 is: 18,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,068.28 : 66,104.40 = 12,480.68 : x
  2. Step 2: Convert to fraction form
    44,068.28/66,104.40 = 12,480.68/x
  3. Step 3: Cross multiply
    44,068.28x = 66,104.40 × 12,480.68
  4. Step 4: Simplify right side
    44,068.28x = 825,027,862.99
  5. Step 5: Solve for x
    x = 825,027,862.99/44,068.28
  6. Step 6: Final answer
    x = 18,721.58

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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.