Home / 71,079.30-98,071.62-48,151.32

Finding the Fourth Proportional to 71,079.30, 98,071.62 and 48,151.32

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Solution

The fourth proportional to 71,079.30, 98,071.62 and 48,151.32 is: 66,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,079.30 : 98,071.62 = 48,151.32 : x
  2. Step 2: Convert to fraction form
    71,079.30/98,071.62 = 48,151.32/x
  3. Step 3: Cross multiply
    71,079.30x = 98,071.62 × 48,151.32
  4. Step 4: Simplify right side
    71,079.30x = 4,722,277,957.54
  5. Step 5: Solve for x
    x = 4,722,277,957.54/71,079.30
  6. Step 6: Final answer
    x = 66,436.75

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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.