Home / 75,623.50-113,505.41-38,209.86

Finding the Fourth Proportional to 75,623.50, 113,505.41 and 38,209.86

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Solution

The fourth proportional to 75,623.50, 113,505.41 and 38,209.86 is: 57,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.50 : 113,505.41 = 38,209.86 : x
  2. Step 2: Convert to fraction form
    75,623.50/113,505.41 = 38,209.86/x
  3. Step 3: Cross multiply
    75,623.50x = 113,505.41 × 38,209.86
  4. Step 4: Simplify right side
    75,623.50x = 4,337,025,825.34
  5. Step 5: Solve for x
    x = 4,337,025,825.34/75,623.50
  6. Step 6: Final answer
    x = 57,350.24

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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.