Home / 75,833.28-113,665.14-28,402.70

Finding the Fourth Proportional to 75,833.28, 113,665.14 and 28,402.70

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Solution

The fourth proportional to 75,833.28, 113,665.14 and 28,402.70 is: 42,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,833.28 : 113,665.14 = 28,402.70 : x
  2. Step 2: Convert to fraction form
    75,833.28/113,665.14 = 28,402.70/x
  3. Step 3: Cross multiply
    75,833.28x = 113,665.14 × 28,402.70
  4. Step 4: Simplify right side
    75,833.28x = 3,228,396,303.55
  5. Step 5: Solve for x
    x = 3,228,396,303.55/75,833.28
  6. Step 6: Final answer
    x = 42,572.29

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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.