Home / 75,549.20-113,320.20-25,624.40

Finding the Fourth Proportional to 75,549.20, 113,320.20 and 25,624.40

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Solution

The fourth proportional to 75,549.20, 113,320.20 and 25,624.40 is: 38,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,549.20 : 113,320.20 = 25,624.40 : x
  2. Step 2: Convert to fraction form
    75,549.20/113,320.20 = 25,624.40/x
  3. Step 3: Cross multiply
    75,549.20x = 113,320.20 × 25,624.40
  4. Step 4: Simplify right side
    75,549.20x = 2,903,762,132.88
  5. Step 5: Solve for x
    x = 2,903,762,132.88/75,549.20
  6. Step 6: Final answer
    x = 38,435.38

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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.