Home / 68,699.72-94,789.22-40,001.73

Finding the Fourth Proportional to 68,699.72, 94,789.22 and 40,001.73

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Solution

The fourth proportional to 68,699.72, 94,789.22 and 40,001.73 is: 55,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,699.72 : 94,789.22 = 40,001.73 : x
  2. Step 2: Convert to fraction form
    68,699.72/94,789.22 = 40,001.73/x
  3. Step 3: Cross multiply
    68,699.72x = 94,789.22 × 40,001.73
  4. Step 4: Simplify right side
    68,699.72x = 3,791,732,585.34
  5. Step 5: Solve for x
    x = 3,791,732,585.34/68,699.72
  6. Step 6: Final answer
    x = 55,192.84

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1.5x scale

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.