Home / 69,160.68-95,443.62-38,943.64

Finding the Fourth Proportional to 69,160.68, 95,443.62 and 38,943.64

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Solution

The fourth proportional to 69,160.68, 95,443.62 and 38,943.64 is: 53,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,160.68 : 95,443.62 = 38,943.64 : x
  2. Step 2: Convert to fraction form
    69,160.68/95,443.62 = 38,943.64/x
  3. Step 3: Cross multiply
    69,160.68x = 95,443.62 × 38,943.64
  4. Step 4: Simplify right side
    69,160.68x = 3,716,921,977.58
  5. Step 5: Solve for x
    x = 3,716,921,977.58/69,160.68
  6. Step 6: Final answer
    x = 53,743.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.