Home / 69,451.59-95,756.06-56,691.81

Finding the Fourth Proportional to 69,451.59, 95,756.06 and 56,691.81

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Solution

The fourth proportional to 69,451.59, 95,756.06 and 56,691.81 is: 78,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,451.59 : 95,756.06 = 56,691.81 : x
  2. Step 2: Convert to fraction form
    69,451.59/95,756.06 = 56,691.81/x
  3. Step 3: Cross multiply
    69,451.59x = 95,756.06 × 56,691.81
  4. Step 4: Simplify right side
    69,451.59x = 5,428,584,076.41
  5. Step 5: Solve for x
    x = 5,428,584,076.41/69,451.59
  6. Step 6: Final answer
    x = 78,163.57

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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.