Home / 68,395.62-94,382.04-38,182.86

Finding the Fourth Proportional to 68,395.62, 94,382.04 and 38,182.86

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Solution

The fourth proportional to 68,395.62, 94,382.04 and 38,182.86 is: 52,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,395.62 : 94,382.04 = 38,182.86 : x
  2. Step 2: Convert to fraction form
    68,395.62/94,382.04 = 38,182.86/x
  3. Step 3: Cross multiply
    68,395.62x = 94,382.04 × 38,182.86
  4. Step 4: Simplify right side
    68,395.62x = 3,603,776,219.83
  5. Step 5: Solve for x
    x = 3,603,776,219.83/68,395.62
  6. Step 6: Final answer
    x = 52,690.16

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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.