Home / 70,231.64-96,928.58-40,027.82

Finding the Fourth Proportional to 70,231.64, 96,928.58 and 40,027.82

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Solution

The fourth proportional to 70,231.64, 96,928.58 and 40,027.82 is: 55,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,231.64 : 96,928.58 = 40,027.82 : x
  2. Step 2: Convert to fraction form
    70,231.64/96,928.58 = 40,027.82/x
  3. Step 3: Cross multiply
    70,231.64x = 96,928.58 × 40,027.82
  4. Step 4: Simplify right side
    70,231.64x = 3,879,839,753.10
  5. Step 5: Solve for x
    x = 3,879,839,753.10/70,231.64
  6. Step 6: Final answer
    x = 55,243.47

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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.