Home / 75,610.57-113,336.72-28,206.59

Finding the Fourth Proportional to 75,610.57, 113,336.72 and 28,206.59

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Solution

The fourth proportional to 75,610.57, 113,336.72 and 28,206.59 is: 42,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,610.57 : 113,336.72 = 28,206.59 : x
  2. Step 2: Convert to fraction form
    75,610.57/113,336.72 = 28,206.59/x
  3. Step 3: Cross multiply
    75,610.57x = 113,336.72 × 28,206.59
  4. Step 4: Simplify right side
    75,610.57x = 3,196,841,826.30
  5. Step 5: Solve for x
    x = 3,196,841,826.30/75,610.57
  6. Step 6: Final answer
    x = 42,280.36

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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.