Home / 87,895.40-121,288.32-51,592.95

Finding the Fourth Proportional to 87,895.40, 121,288.32 and 51,592.95

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Solution

The fourth proportional to 87,895.40, 121,288.32 and 51,592.95 is: 71,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,895.40 : 121,288.32 = 51,592.95 : x
  2. Step 2: Convert to fraction form
    87,895.40/121,288.32 = 51,592.95/x
  3. Step 3: Cross multiply
    87,895.40x = 121,288.32 × 51,592.95
  4. Step 4: Simplify right side
    87,895.40x = 6,257,622,229.34
  5. Step 5: Solve for x
    x = 6,257,622,229.34/87,895.40
  6. Step 6: Final answer
    x = 71,193.97

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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.