Home / 79,252.16-109,371.36-47,414.90

Finding the Fourth Proportional to 79,252.16, 109,371.36 and 47,414.90

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Solution

The fourth proportional to 79,252.16, 109,371.36 and 47,414.90 is: 65,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,252.16 : 109,371.36 = 47,414.90 : x
  2. Step 2: Convert to fraction form
    79,252.16/109,371.36 = 47,414.90/x
  3. Step 3: Cross multiply
    79,252.16x = 109,371.36 × 47,414.90
  4. Step 4: Simplify right side
    79,252.16x = 5,185,832,548.50
  5. Step 5: Solve for x
    x = 5,185,832,548.50/79,252.16
  6. Step 6: Final answer
    x = 65,434.59

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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.