Home / 77,516.18-106,959.45-45,680.75

Finding the Fourth Proportional to 77,516.18, 106,959.45 and 45,680.75

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Solution

The fourth proportional to 77,516.18, 106,959.45 and 45,680.75 is: 63,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,516.18 : 106,959.45 = 45,680.75 : x
  2. Step 2: Convert to fraction form
    77,516.18/106,959.45 = 45,680.75/x
  3. Step 3: Cross multiply
    77,516.18x = 106,959.45 × 45,680.75
  4. Step 4: Simplify right side
    77,516.18x = 4,885,987,895.59
  5. Step 5: Solve for x
    x = 4,885,987,895.59/77,516.18
  6. Step 6: Final answer
    x = 63,031.85

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