Home / 68,379.14-94,368.36-38,165.72

Finding the Fourth Proportional to 68,379.14, 94,368.36 and 38,165.72

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Solution

The fourth proportional to 68,379.14, 94,368.36 and 38,165.72 is: 52,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,379.14 : 94,368.36 = 38,165.72 : x
  2. Step 2: Convert to fraction form
    68,379.14/94,368.36 = 38,165.72/x
  3. Step 3: Cross multiply
    68,379.14x = 94,368.36 × 38,165.72
  4. Step 4: Simplify right side
    68,379.14x = 3,601,636,404.62
  5. Step 5: Solve for x
    x = 3,601,636,404.62/68,379.14
  6. Step 6: Final answer
    x = 52,671.57

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1.5x scale

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.