Home / 69,969.69-96,557.40-38,137.91

Finding the Fourth Proportional to 69,969.69, 96,557.40 and 38,137.91

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Solution

The fourth proportional to 69,969.69, 96,557.40 and 38,137.91 is: 52,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,969.69 : 96,557.40 = 38,137.91 : x
  2. Step 2: Convert to fraction form
    69,969.69/96,557.40 = 38,137.91/x
  3. Step 3: Cross multiply
    69,969.69x = 96,557.40 × 38,137.91
  4. Step 4: Simplify right side
    69,969.69x = 3,682,496,948.25
  5. Step 5: Solve for x
    x = 3,682,496,948.25/69,969.69
  6. Step 6: Final answer
    x = 52,629.89

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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.