Home / 68,394.11-94,385.43-42,901.52

Finding the Fourth Proportional to 68,394.11, 94,385.43 and 42,901.52

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Solution

The fourth proportional to 68,394.11, 94,385.43 and 42,901.52 is: 59,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,394.11 : 94,385.43 = 42,901.52 : x
  2. Step 2: Convert to fraction form
    68,394.11/94,385.43 = 42,901.52/x
  3. Step 3: Cross multiply
    68,394.11x = 94,385.43 × 42,901.52
  4. Step 4: Simplify right side
    68,394.11x = 4,049,277,940.93
  5. Step 5: Solve for x
    x = 4,049,277,940.93/68,394.11
  6. Step 6: Final answer
    x = 59,205.07

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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.