Home / 75,243.17-112,875.69-40,163.69

Finding the Fourth Proportional to 75,243.17, 112,875.69 and 40,163.69

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Solution

The fourth proportional to 75,243.17, 112,875.69 and 40,163.69 is: 60,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,243.17 : 112,875.69 = 40,163.69 : x
  2. Step 2: Convert to fraction form
    75,243.17/112,875.69 = 40,163.69/x
  3. Step 3: Cross multiply
    75,243.17x = 112,875.69 × 40,163.69
  4. Step 4: Simplify right side
    75,243.17x = 4,533,504,221.70
  5. Step 5: Solve for x
    x = 4,533,504,221.70/75,243.17
  6. Step 6: Final answer
    x = 60,251.37

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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.