Home / 75,570.40-113,350.80-25,650.40

Finding the Fourth Proportional to 75,570.40, 113,350.80 and 25,650.40

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Solution

The fourth proportional to 75,570.40, 113,350.80 and 25,650.40 is: 38,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,570.40 : 113,350.80 = 25,650.40 : x
  2. Step 2: Convert to fraction form
    75,570.40/113,350.80 = 25,650.40/x
  3. Step 3: Cross multiply
    75,570.40x = 113,350.80 × 25,650.40
  4. Step 4: Simplify right side
    75,570.40x = 2,907,493,360.32
  5. Step 5: Solve for x
    x = 2,907,493,360.32/75,570.40
  6. Step 6: Final answer
    x = 38,473.97

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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.