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Finding the Fourth Proportional to 53,953.40, 80,930.10 and 53,607.80

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Solution

The fourth proportional to 53,953.40, 80,930.10 and 53,607.80 is: 80,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,953.40 : 80,930.10 = 53,607.80 : x
  2. Step 2: Convert to fraction form
    53,953.40/80,930.10 = 53,607.80/x
  3. Step 3: Cross multiply
    53,953.40x = 80,930.10 × 53,607.80
  4. Step 4: Simplify right side
    53,953.40x = 4,338,484,614.78
  5. Step 5: Solve for x
    x = 4,338,484,614.78/53,953.40
  6. Step 6: Final answer
    x = 80,411.70

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