Home / 68,645.02-94,731.72-38,429.56

Finding the Fourth Proportional to 68,645.02, 94,731.72 and 38,429.56

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Solution

The fourth proportional to 68,645.02, 94,731.72 and 38,429.56 is: 53,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,645.02 : 94,731.72 = 38,429.56 : x
  2. Step 2: Convert to fraction form
    68,645.02/94,731.72 = 38,429.56/x
  3. Step 3: Cross multiply
    68,645.02x = 94,731.72 × 38,429.56
  4. Step 4: Simplify right side
    68,645.02x = 3,640,498,317.64
  5. Step 5: Solve for x
    x = 3,640,498,317.64/68,645.02
  6. Step 6: Final answer
    x = 53,033.68

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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.