Home / 65,839.30-90,857.58-35,623.95

Finding the Fourth Proportional to 65,839.30, 90,857.58 and 35,623.95

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Solution

The fourth proportional to 65,839.30, 90,857.58 and 35,623.95 is: 49,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,839.30 : 90,857.58 = 35,623.95 : x
  2. Step 2: Convert to fraction form
    65,839.30/90,857.58 = 35,623.95/x
  3. Step 3: Cross multiply
    65,839.30x = 90,857.58 × 35,623.95
  4. Step 4: Simplify right side
    65,839.30x = 3,236,706,124.19
  5. Step 5: Solve for x
    x = 3,236,706,124.19/65,839.30
  6. Step 6: Final answer
    x = 49,160.70

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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.