Home / 68,971.74-95,169.48-40,683.02

Finding the Fourth Proportional to 68,971.74, 95,169.48 and 40,683.02

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Solution

The fourth proportional to 68,971.74, 95,169.48 and 40,683.02 is: 56,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,971.74 : 95,169.48 = 40,683.02 : x
  2. Step 2: Convert to fraction form
    68,971.74/95,169.48 = 40,683.02/x
  3. Step 3: Cross multiply
    68,971.74x = 95,169.48 × 40,683.02
  4. Step 4: Simplify right side
    68,971.74x = 3,871,781,858.23
  5. Step 5: Solve for x
    x = 3,871,781,858.23/68,971.74
  6. Step 6: Final answer
    x = 56,135.77

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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.