Home / 81,488.20-112,451.55-45,680.53

Finding the Fourth Proportional to 81,488.20, 112,451.55 and 45,680.53

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Solution

The fourth proportional to 81,488.20, 112,451.55 and 45,680.53 is: 63,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,488.20 : 112,451.55 = 45,680.53 : x
  2. Step 2: Convert to fraction form
    81,488.20/112,451.55 = 45,680.53/x
  3. Step 3: Cross multiply
    81,488.20x = 112,451.55 × 45,680.53
  4. Step 4: Simplify right side
    81,488.20x = 5,136,846,403.32
  5. Step 5: Solve for x
    x = 5,136,846,403.32/81,488.20
  6. Step 6: Final answer
    x = 63,037.92

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