Home / 78,028.44-107,679.12-44,044.08

Finding the Fourth Proportional to 78,028.44, 107,679.12 and 44,044.08

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Solution

The fourth proportional to 78,028.44, 107,679.12 and 44,044.08 is: 60,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,028.44 : 107,679.12 = 44,044.08 : x
  2. Step 2: Convert to fraction form
    78,028.44/107,679.12 = 44,044.08/x
  3. Step 3: Cross multiply
    78,028.44x = 107,679.12 × 44,044.08
  4. Step 4: Simplify right side
    78,028.44x = 4,742,627,775.61
  5. Step 5: Solve for x
    x = 4,742,627,775.61/78,028.44
  6. Step 6: Final answer
    x = 60,780.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.