Home / 57,901.75-86,219.94-55,773.70

Finding the Fourth Proportional to 57,901.75, 86,219.94 and 55,773.70

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Solution

The fourth proportional to 57,901.75, 86,219.94 and 55,773.70 is: 83,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901.75 : 86,219.94 = 55,773.70 : x
  2. Step 2: Convert to fraction form
    57,901.75/86,219.94 = 55,773.70/x
  3. Step 3: Cross multiply
    57,901.75x = 86,219.94 × 55,773.70
  4. Step 4: Simplify right side
    57,901.75x = 4,808,805,067.58
  5. Step 5: Solve for x
    x = 4,808,805,067.58/57,901.75
  6. Step 6: Final answer
    x = 83,051.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.