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Finding the Fourth Proportional to 69,070.41, 103,468.44 and 53,220.45

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Solution

The fourth proportional to 69,070.41, 103,468.44 and 53,220.45 is: 79,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,070.41 : 103,468.44 = 53,220.45 : x
  2. Step 2: Convert to fraction form
    69,070.41/103,468.44 = 53,220.45/x
  3. Step 3: Cross multiply
    69,070.41x = 103,468.44 × 53,220.45
  4. Step 4: Simplify right side
    69,070.41x = 5,506,636,937.60
  5. Step 5: Solve for x
    x = 5,506,636,937.60/69,070.41
  6. Step 6: Final answer
    x = 79,724.98

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