Home / 68,286.95-94,235.65-39,612.41

Finding the Fourth Proportional to 68,286.95, 94,235.65 and 39,612.41

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Solution

The fourth proportional to 68,286.95, 94,235.65 and 39,612.41 is: 54,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,286.95 : 94,235.65 = 39,612.41 : x
  2. Step 2: Convert to fraction form
    68,286.95/94,235.65 = 39,612.41/x
  3. Step 3: Cross multiply
    68,286.95x = 94,235.65 × 39,612.41
  4. Step 4: Simplify right side
    68,286.95x = 3,732,900,535.18
  5. Step 5: Solve for x
    x = 3,732,900,535.18/68,286.95
  6. Step 6: Final answer
    x = 54,664.92

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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.