Home / 68,018.13-101,928.38-38,372.94

Finding the Fourth Proportional to 68,018.13, 101,928.38 and 38,372.94

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Solution

The fourth proportional to 68,018.13, 101,928.38 and 38,372.94 is: 57,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.13 : 101,928.38 = 38,372.94 : x
  2. Step 2: Convert to fraction form
    68,018.13/101,928.38 = 38,372.94/x
  3. Step 3: Cross multiply
    68,018.13x = 101,928.38 × 38,372.94
  4. Step 4: Simplify right side
    68,018.13x = 3,911,291,418.17
  5. Step 5: Solve for x
    x = 3,911,291,418.17/68,018.13
  6. Step 6: Final answer
    x = 57,503.66

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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.