Home / 69,315.78-95,542.95-54,181.74

Finding the Fourth Proportional to 69,315.78, 95,542.95 and 54,181.74

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Solution

The fourth proportional to 69,315.78, 95,542.95 and 54,181.74 is: 74,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,315.78 : 95,542.95 = 54,181.74 : x
  2. Step 2: Convert to fraction form
    69,315.78/95,542.95 = 54,181.74/x
  3. Step 3: Cross multiply
    69,315.78x = 95,542.95 × 54,181.74
  4. Step 4: Simplify right side
    69,315.78x = 5,176,683,275.73
  5. Step 5: Solve for x
    x = 5,176,683,275.73/69,315.78
  6. Step 6: Final answer
    x = 74,682.61

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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.