Home / 68,085.08-102,133.02-21,337.88

Finding the Fourth Proportional to 68,085.08, 102,133.02 and 21,337.88

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Solution

The fourth proportional to 68,085.08, 102,133.02 and 21,337.88 is: 32,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,085.08 : 102,133.02 = 21,337.88 : x
  2. Step 2: Convert to fraction form
    68,085.08/102,133.02 = 21,337.88/x
  3. Step 3: Cross multiply
    68,085.08x = 102,133.02 × 21,337.88
  4. Step 4: Simplify right side
    68,085.08x = 2,179,302,124.80
  5. Step 5: Solve for x
    x = 2,179,302,124.80/68,085.08
  6. Step 6: Final answer
    x = 32,008.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.