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Finding the Fourth Proportional to 67,315.80, 100,973.70 and 46,320.60

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Solution

The fourth proportional to 67,315.80, 100,973.70 and 46,320.60 is: 69,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,315.80 : 100,973.70 = 46,320.60 : x
  2. Step 2: Convert to fraction form
    67,315.80/100,973.70 = 46,320.60/x
  3. Step 3: Cross multiply
    67,315.80x = 100,973.70 × 46,320.60
  4. Step 4: Simplify right side
    67,315.80x = 4,677,162,368.22
  5. Step 5: Solve for x
    x = 4,677,162,368.22/67,315.80
  6. Step 6: Final answer
    x = 69,480.90

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