Home / 45,162.15-67,728.87-42,213.81

Finding the Fourth Proportional to 45,162.15, 67,728.87 and 42,213.81

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Solution

The fourth proportional to 45,162.15, 67,728.87 and 42,213.81 is: 63,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,162.15 : 67,728.87 = 42,213.81 : x
  2. Step 2: Convert to fraction form
    45,162.15/67,728.87 = 42,213.81/x
  3. Step 3: Cross multiply
    45,162.15x = 67,728.87 × 42,213.81
  4. Step 4: Simplify right side
    45,162.15x = 2,859,093,649.69
  5. Step 5: Solve for x
    x = 2,859,093,649.69/45,162.15
  6. Step 6: Final answer
    x = 63,307.30

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