Home / 75,034.25-112,551.37-28,276.19

Finding the Fourth Proportional to 75,034.25, 112,551.37 and 28,276.19

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Solution

The fourth proportional to 75,034.25, 112,551.37 and 28,276.19 is: 42,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,034.25 : 112,551.37 = 28,276.19 : x
  2. Step 2: Convert to fraction form
    75,034.25/112,551.37 = 28,276.19/x
  3. Step 3: Cross multiply
    75,034.25x = 112,551.37 × 28,276.19
  4. Step 4: Simplify right side
    75,034.25x = 3,182,523,289.43
  5. Step 5: Solve for x
    x = 3,182,523,289.43/75,034.25
  6. Step 6: Final answer
    x = 42,414.28

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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.