Home / 70,288.20-96,993.18-40,076.82

Finding the Fourth Proportional to 70,288.20, 96,993.18 and 40,076.82

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Solution

The fourth proportional to 70,288.20, 96,993.18 and 40,076.82 is: 55,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,288.20 : 96,993.18 = 40,076.82 : x
  2. Step 2: Convert to fraction form
    70,288.20/96,993.18 = 40,076.82/x
  3. Step 3: Cross multiply
    70,288.20x = 96,993.18 × 40,076.82
  4. Step 4: Simplify right side
    70,288.20x = 3,887,178,216.09
  5. Step 5: Solve for x
    x = 3,887,178,216.09/70,288.20
  6. Step 6: Final answer
    x = 55,303.43

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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.