Home / 75,530.06-113,217.32-40,460.30

Finding the Fourth Proportional to 75,530.06, 113,217.32 and 40,460.30

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Solution

The fourth proportional to 75,530.06, 113,217.32 and 40,460.30 is: 60,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.06 : 113,217.32 = 40,460.30 : x
  2. Step 2: Convert to fraction form
    75,530.06/113,217.32 = 40,460.30/x
  3. Step 3: Cross multiply
    75,530.06x = 113,217.32 × 40,460.30
  4. Step 4: Simplify right side
    75,530.06x = 4,580,806,267.46
  5. Step 5: Solve for x
    x = 4,580,806,267.46/75,530.06
  6. Step 6: Final answer
    x = 60,648.79

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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.