Home / 69,711.42-96,180.55-39,491.94

Finding the Fourth Proportional to 69,711.42, 96,180.55 and 39,491.94

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Solution

The fourth proportional to 69,711.42, 96,180.55 and 39,491.94 is: 54,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.42 : 96,180.55 = 39,491.94 : x
  2. Step 2: Convert to fraction form
    69,711.42/96,180.55 = 39,491.94/x
  3. Step 3: Cross multiply
    69,711.42x = 96,180.55 × 39,491.94
  4. Step 4: Simplify right side
    69,711.42x = 3,798,356,509.77
  5. Step 5: Solve for x
    x = 3,798,356,509.77/69,711.42
  6. Step 6: Final answer
    x = 54,486.86

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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.