Home / 75,342.29-113,464.61-68,616.24

Finding the Fourth Proportional to 75,342.29, 113,464.61 and 68,616.24

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Solution

The fourth proportional to 75,342.29, 113,464.61 and 68,616.24 is: 103,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,342.29 : 113,464.61 = 68,616.24 : x
  2. Step 2: Convert to fraction form
    75,342.29/113,464.61 = 68,616.24/x
  3. Step 3: Cross multiply
    75,342.29x = 113,464.61 × 68,616.24
  4. Step 4: Simplify right side
    75,342.29x = 7,785,514,568.19
  5. Step 5: Solve for x
    x = 7,785,514,568.19/75,342.29
  6. Step 6: Final answer
    x = 103,335.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.