Home / 75,573.12-113,357.16-40,581.12

Finding the Fourth Proportional to 75,573.12, 113,357.16 and 40,581.12

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Solution

The fourth proportional to 75,573.12, 113,357.16 and 40,581.12 is: 60,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,573.12 : 113,357.16 = 40,581.12 : x
  2. Step 2: Convert to fraction form
    75,573.12/113,357.16 = 40,581.12/x
  3. Step 3: Cross multiply
    75,573.12x = 113,357.16 × 40,581.12
  4. Step 4: Simplify right side
    75,573.12x = 4,600,160,512.82
  5. Step 5: Solve for x
    x = 4,600,160,512.82/75,573.12
  6. Step 6: Final answer
    x = 60,870.33

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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.