Home / 75,461.56-113,196.12-28,718.08

Finding the Fourth Proportional to 75,461.56, 113,196.12 and 28,718.08

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Solution

The fourth proportional to 75,461.56, 113,196.12 and 28,718.08 is: 43,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.56 : 113,196.12 = 28,718.08 : x
  2. Step 2: Convert to fraction form
    75,461.56/113,196.12 = 28,718.08/x
  3. Step 3: Cross multiply
    75,461.56x = 113,196.12 × 28,718.08
  4. Step 4: Simplify right side
    75,461.56x = 3,250,775,229.85
  5. Step 5: Solve for x
    x = 3,250,775,229.85/75,461.56
  6. Step 6: Final answer
    x = 43,078.56

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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.