Home / 57,408.36-85,987.56-27,763.68

Finding the Fourth Proportional to 57,408.36, 85,987.56 and 27,763.68

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Solution

The fourth proportional to 57,408.36, 85,987.56 and 27,763.68 is: 41,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,408.36 : 85,987.56 = 27,763.68 : x
  2. Step 2: Convert to fraction form
    57,408.36/85,987.56 = 27,763.68/x
  3. Step 3: Cross multiply
    57,408.36x = 85,987.56 × 27,763.68
  4. Step 4: Simplify right side
    57,408.36x = 2,387,331,099.82
  5. Step 5: Solve for x
    x = 2,387,331,099.82/57,408.36
  6. Step 6: Final answer
    x = 41,585.08

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1.5x scale

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.