Home / 71,116.64-98,145.15-40,910.52

Finding the Fourth Proportional to 71,116.64, 98,145.15 and 40,910.52

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Solution

The fourth proportional to 71,116.64, 98,145.15 and 40,910.52 is: 56,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,116.64 : 98,145.15 = 40,910.52 : x
  2. Step 2: Convert to fraction form
    71,116.64/98,145.15 = 40,910.52/x
  3. Step 3: Cross multiply
    71,116.64x = 98,145.15 × 40,910.52
  4. Step 4: Simplify right side
    71,116.64x = 4,015,169,121.98
  5. Step 5: Solve for x
    x = 4,015,169,121.98/71,116.64
  6. Step 6: Final answer
    x = 56,458.93

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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.