Home / 75,566.25-113,348.63-28,179.70

Finding the Fourth Proportional to 75,566.25, 113,348.63 and 28,179.70

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Solution

The fourth proportional to 75,566.25, 113,348.63 and 28,179.70 is: 42,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,566.25 : 113,348.63 = 28,179.70 : x
  2. Step 2: Convert to fraction form
    75,566.25/113,348.63 = 28,179.70/x
  3. Step 3: Cross multiply
    75,566.25x = 113,348.63 × 28,179.70
  4. Step 4: Simplify right side
    75,566.25x = 3,194,130,175.89
  5. Step 5: Solve for x
    x = 3,194,130,175.89/75,566.25
  6. Step 6: Final answer
    x = 42,269.27

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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.