Home / 69,754.20-96,258.78-39,542.31

Finding the Fourth Proportional to 69,754.20, 96,258.78 and 39,542.31

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Solution

The fourth proportional to 69,754.20, 96,258.78 and 39,542.31 is: 54,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,754.20 : 96,258.78 = 39,542.31 : x
  2. Step 2: Convert to fraction form
    69,754.20/96,258.78 = 39,542.31/x
  3. Step 3: Cross multiply
    69,754.20x = 96,258.78 × 39,542.31
  4. Step 4: Simplify right side
    69,754.20x = 3,806,294,518.98
  5. Step 5: Solve for x
    x = 3,806,294,518.98/69,754.20
  6. Step 6: Final answer
    x = 54,567.25

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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.