Home / 69,813.38-104,726.56-28,263.62

Finding the Fourth Proportional to 69,813.38, 104,726.56 and 28,263.62

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Solution

The fourth proportional to 69,813.38, 104,726.56 and 28,263.62 is: 42,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,813.38 : 104,726.56 = 28,263.62 : x
  2. Step 2: Convert to fraction form
    69,813.38/104,726.56 = 28,263.62/x
  3. Step 3: Cross multiply
    69,813.38x = 104,726.56 × 28,263.62
  4. Step 4: Simplify right side
    69,813.38x = 2,959,951,695.75
  5. Step 5: Solve for x
    x = 2,959,951,695.75/69,813.38
  6. Step 6: Final answer
    x = 42,398.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.