Home / 95,429.60-143,144.40-60,408.80

Finding the Fourth Proportional to 95,429.60, 143,144.40 and 60,408.80

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Solution

The fourth proportional to 95,429.60, 143,144.40 and 60,408.80 is: 90,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,429.60 : 143,144.40 = 60,408.80 : x
  2. Step 2: Convert to fraction form
    95,429.60/143,144.40 = 60,408.80/x
  3. Step 3: Cross multiply
    95,429.60x = 143,144.40 × 60,408.80
  4. Step 4: Simplify right side
    95,429.60x = 8,647,181,430.72
  5. Step 5: Solve for x
    x = 8,647,181,430.72/95,429.60
  6. Step 6: Final answer
    x = 90,613.20

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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.