Home / 68,808.45-94,959.42-38,603.34

Finding the Fourth Proportional to 68,808.45, 94,959.42 and 38,603.34

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Solution

The fourth proportional to 68,808.45, 94,959.42 and 38,603.34 is: 53,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,808.45 : 94,959.42 = 38,603.34 : x
  2. Step 2: Convert to fraction form
    68,808.45/94,959.42 = 38,603.34/x
  3. Step 3: Cross multiply
    68,808.45x = 94,959.42 × 38,603.34
  4. Step 4: Simplify right side
    68,808.45x = 3,665,750,776.46
  5. Step 5: Solve for x
    x = 3,665,750,776.46/68,808.45
  6. Step 6: Final answer
    x = 53,274.72

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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.