Home / 67,288.28-92,758.20-43,086.56

Finding the Fourth Proportional to 67,288.28, 92,758.20 and 43,086.56

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Solution

The fourth proportional to 67,288.28, 92,758.20 and 43,086.56 is: 59,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,288.28 : 92,758.20 = 43,086.56 : x
  2. Step 2: Convert to fraction form
    67,288.28/92,758.20 = 43,086.56/x
  3. Step 3: Cross multiply
    67,288.28x = 92,758.20 × 43,086.56
  4. Step 4: Simplify right side
    67,288.28x = 3,996,631,749.79
  5. Step 5: Solve for x
    x = 3,996,631,749.79/67,288.28
  6. Step 6: Final answer
    x = 59,395.66

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1.5x scale

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.