Home / 68,785.32-94,928.63-38,168.45

Finding the Fourth Proportional to 68,785.32, 94,928.63 and 38,168.45

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Solution

The fourth proportional to 68,785.32, 94,928.63 and 38,168.45 is: 52,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,785.32 : 94,928.63 = 38,168.45 : x
  2. Step 2: Convert to fraction form
    68,785.32/94,928.63 = 38,168.45/x
  3. Step 3: Cross multiply
    68,785.32x = 94,928.63 × 38,168.45
  4. Step 4: Simplify right side
    68,785.32x = 3,623,278,667.72
  5. Step 5: Solve for x
    x = 3,623,278,667.72/68,785.32
  6. Step 6: Final answer
    x = 52,675.17

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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.