Home / 67,941.87-101,455.28-55,486.61

Finding the Fourth Proportional to 67,941.87, 101,455.28 and 55,486.61

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Solution

The fourth proportional to 67,941.87, 101,455.28 and 55,486.61 is: 82,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,941.87 : 101,455.28 = 55,486.61 : x
  2. Step 2: Convert to fraction form
    67,941.87/101,455.28 = 55,486.61/x
  3. Step 3: Cross multiply
    67,941.87x = 101,455.28 × 55,486.61
  4. Step 4: Simplify right side
    67,941.87x = 5,629,408,769.09
  5. Step 5: Solve for x
    x = 5,629,408,769.09/67,941.87
  6. Step 6: Final answer
    x = 82,856.25

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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.