Home / 87,879.42-121,273.00-47,592.27

Finding the Fourth Proportional to 87,879.42, 121,273.00 and 47,592.27

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Solution

The fourth proportional to 87,879.42, 121,273.00 and 47,592.27 is: 65,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,879.42 : 121,273.00 = 47,592.27 : x
  2. Step 2: Convert to fraction form
    87,879.42/121,273.00 = 47,592.27/x
  3. Step 3: Cross multiply
    87,879.42x = 121,273.00 × 47,592.27
  4. Step 4: Simplify right side
    87,879.42x = 5,771,657,240.73
  5. Step 5: Solve for x
    x = 5,771,657,240.73/87,879.42
  6. Step 6: Final answer
    x = 65,677.01

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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.