Home / 87,994.56-121,400.61-57,796.26

Finding the Fourth Proportional to 87,994.56, 121,400.61 and 57,796.26

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Solution

The fourth proportional to 87,994.56, 121,400.61 and 57,796.26 is: 79,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,994.56 : 121,400.61 = 57,796.26 : x
  2. Step 2: Convert to fraction form
    87,994.56/121,400.61 = 57,796.26/x
  3. Step 3: Cross multiply
    87,994.56x = 121,400.61 × 57,796.26
  4. Step 4: Simplify right side
    87,994.56x = 7,016,501,219.72
  5. Step 5: Solve for x
    x = 7,016,501,219.72/87,994.56
  6. Step 6: Final answer
    x = 79,737.90

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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.