Home / 68,588.08-102,811.48-38,943.29

Finding the Fourth Proportional to 68,588.08, 102,811.48 and 38,943.29

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Solution

The fourth proportional to 68,588.08, 102,811.48 and 38,943.29 is: 58,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,588.08 : 102,811.48 = 38,943.29 : x
  2. Step 2: Convert to fraction form
    68,588.08/102,811.48 = 38,943.29/x
  3. Step 3: Cross multiply
    68,588.08x = 102,811.48 × 38,943.29
  4. Step 4: Simplify right side
    68,588.08x = 4,003,817,280.97
  5. Step 5: Solve for x
    x = 4,003,817,280.97/68,588.08
  6. Step 6: Final answer
    x = 58,374.83

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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.