Home / 69,977.43-96,565.37-39,758.76

Finding the Fourth Proportional to 69,977.43, 96,565.37 and 39,758.76

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Solution

The fourth proportional to 69,977.43, 96,565.37 and 39,758.76 is: 54,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977.43 : 96,565.37 = 39,758.76 : x
  2. Step 2: Convert to fraction form
    69,977.43/96,565.37 = 39,758.76/x
  3. Step 3: Cross multiply
    69,977.43x = 96,565.37 × 39,758.76
  4. Step 4: Simplify right side
    69,977.43x = 3,839,319,171.35
  5. Step 5: Solve for x
    x = 3,839,319,171.35/69,977.43
  6. Step 6: Final answer
    x = 54,865.11

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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.