Home / 69,677.12-96,155.70-39,468.71

Finding the Fourth Proportional to 69,677.12, 96,155.70 and 39,468.71

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Solution

The fourth proportional to 69,677.12, 96,155.70 and 39,468.71 is: 54,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,677.12 : 96,155.70 = 39,468.71 : x
  2. Step 2: Convert to fraction form
    69,677.12/96,155.70 = 39,468.71/x
  3. Step 3: Cross multiply
    69,677.12x = 96,155.70 × 39,468.71
  4. Step 4: Simplify right side
    69,677.12x = 3,795,141,530.53
  5. Step 5: Solve for x
    x = 3,795,141,530.53/69,677.12
  6. Step 6: Final answer
    x = 54,467.54

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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.