Home / 68,423.30-94,424.61-38,208.98

Finding the Fourth Proportional to 68,423.30, 94,424.61 and 38,208.98

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Solution

The fourth proportional to 68,423.30, 94,424.61 and 38,208.98 is: 52,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,423.30 : 94,424.61 = 38,208.98 : x
  2. Step 2: Convert to fraction form
    68,423.30/94,424.61 = 38,208.98/x
  3. Step 3: Cross multiply
    68,423.30x = 94,424.61 × 38,208.98
  4. Step 4: Simplify right side
    68,423.30x = 3,607,867,371.83
  5. Step 5: Solve for x
    x = 3,607,867,371.83/68,423.30
  6. Step 6: Final answer
    x = 52,728.64

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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.