Home / 68,855.02-94,998.27-38,635.90

Finding the Fourth Proportional to 68,855.02, 94,998.27 and 38,635.90

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Solution

The fourth proportional to 68,855.02, 94,998.27 and 38,635.90 is: 53,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,855.02 : 94,998.27 = 38,635.90 : x
  2. Step 2: Convert to fraction form
    68,855.02/94,998.27 = 38,635.90/x
  3. Step 3: Cross multiply
    68,855.02x = 94,998.27 × 38,635.90
  4. Step 4: Simplify right side
    68,855.02x = 3,670,343,659.89
  5. Step 5: Solve for x
    x = 3,670,343,659.89/68,855.02
  6. Step 6: Final answer
    x = 53,305.39

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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.