Home / 68,088.22-93,961.42-37,871.78

Finding the Fourth Proportional to 68,088.22, 93,961.42 and 37,871.78

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Solution

The fourth proportional to 68,088.22, 93,961.42 and 37,871.78 is: 52,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088.22 : 93,961.42 = 37,871.78 : x
  2. Step 2: Convert to fraction form
    68,088.22/93,961.42 = 37,871.78/x
  3. Step 3: Cross multiply
    68,088.22x = 93,961.42 × 37,871.78
  4. Step 4: Simplify right side
    68,088.22x = 3,558,485,926.51
  5. Step 5: Solve for x
    x = 3,558,485,926.51/68,088.22
  6. Step 6: Final answer
    x = 52,262.87

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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.