Home / 69,144.31-95,421.07-42,286.33

Finding the Fourth Proportional to 69,144.31, 95,421.07 and 42,286.33

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Solution

The fourth proportional to 69,144.31, 95,421.07 and 42,286.33 is: 58,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,144.31 : 95,421.07 = 42,286.33 : x
  2. Step 2: Convert to fraction form
    69,144.31/95,421.07 = 42,286.33/x
  3. Step 3: Cross multiply
    69,144.31x = 95,421.07 × 42,286.33
  4. Step 4: Simplify right side
    69,144.31x = 4,035,006,854.97
  5. Step 5: Solve for x
    x = 4,035,006,854.97/69,144.31
  6. Step 6: Final answer
    x = 58,356.31

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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.