Home / 68,399.10-94,381.61-38,180.03

Finding the Fourth Proportional to 68,399.10, 94,381.61 and 38,180.03

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Solution

The fourth proportional to 68,399.10, 94,381.61 and 38,180.03 is: 52,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,399.10 : 94,381.61 = 38,180.03 : x
  2. Step 2: Convert to fraction form
    68,399.10/94,381.61 = 38,180.03/x
  3. Step 3: Cross multiply
    68,399.10x = 94,381.61 × 38,180.03
  4. Step 4: Simplify right side
    68,399.10x = 3,603,492,038.44
  5. Step 5: Solve for x
    x = 3,603,492,038.44/68,399.10
  6. Step 6: Final answer
    x = 52,683.33

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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.