Home / 75,520.20-113,276.70-25,595.40

Finding the Fourth Proportional to 75,520.20, 113,276.70 and 25,595.40

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Solution

The fourth proportional to 75,520.20, 113,276.70 and 25,595.40 is: 38,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,520.20 : 113,276.70 = 25,595.40 : x
  2. Step 2: Convert to fraction form
    75,520.20/113,276.70 = 25,595.40/x
  3. Step 3: Cross multiply
    75,520.20x = 113,276.70 × 25,595.40
  4. Step 4: Simplify right side
    75,520.20x = 2,899,362,447.18
  5. Step 5: Solve for x
    x = 2,899,362,447.18/75,520.20
  6. Step 6: Final answer
    x = 38,391.88

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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.