Home / 69,695.11-96,179.62-42,855.15

Finding the Fourth Proportional to 69,695.11, 96,179.62 and 42,855.15

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Solution

The fourth proportional to 69,695.11, 96,179.62 and 42,855.15 is: 59,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,695.11 : 96,179.62 = 42,855.15 : x
  2. Step 2: Convert to fraction form
    69,695.11/96,179.62 = 42,855.15/x
  3. Step 3: Cross multiply
    69,695.11x = 96,179.62 × 42,855.15
  4. Step 4: Simplify right side
    69,695.11x = 4,121,792,042.04
  5. Step 5: Solve for x
    x = 4,121,792,042.04/69,695.11
  6. Step 6: Final answer
    x = 59,140.34

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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.