Home / 75,614.92-113,356.77-38,143.71

Finding the Fourth Proportional to 75,614.92, 113,356.77 and 38,143.71

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Solution

The fourth proportional to 75,614.92, 113,356.77 and 38,143.71 is: 57,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,614.92 : 113,356.77 = 38,143.71 : x
  2. Step 2: Convert to fraction form
    75,614.92/113,356.77 = 38,143.71/x
  3. Step 3: Cross multiply
    75,614.92x = 113,356.77 × 38,143.71
  4. Step 4: Simplify right side
    75,614.92x = 4,323,848,258.02
  5. Step 5: Solve for x
    x = 4,323,848,258.02/75,614.92
  6. Step 6: Final answer
    x = 57,182.47

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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.