Home / 68,115.36-94,001.04-38,314.40

Finding the Fourth Proportional to 68,115.36, 94,001.04 and 38,314.40

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Solution

The fourth proportional to 68,115.36, 94,001.04 and 38,314.40 is: 52,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,115.36 : 94,001.04 = 38,314.40 : x
  2. Step 2: Convert to fraction form
    68,115.36/94,001.04 = 38,314.40/x
  3. Step 3: Cross multiply
    68,115.36x = 94,001.04 × 38,314.40
  4. Step 4: Simplify right side
    68,115.36x = 3,601,593,446.98
  5. Step 5: Solve for x
    x = 3,601,593,446.98/68,115.36
  6. Step 6: Final answer
    x = 52,874.91

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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.