Home / 75,452.92-113,226.96-42,194.80

Finding the Fourth Proportional to 75,452.92, 113,226.96 and 42,194.80

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Solution

The fourth proportional to 75,452.92, 113,226.96 and 42,194.80 is: 63,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,452.92 : 113,226.96 = 42,194.80 : x
  2. Step 2: Convert to fraction form
    75,452.92/113,226.96 = 42,194.80/x
  3. Step 3: Cross multiply
    75,452.92x = 113,226.96 × 42,194.80
  4. Step 4: Simplify right side
    75,452.92x = 4,777,588,931.81
  5. Step 5: Solve for x
    x = 4,777,588,931.81/75,452.92
  6. Step 6: Final answer
    x = 63,318.81

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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.