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Finding the Fourth Proportional to 66,053.60, 99,080.40 and 31,061.60

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Solution

The fourth proportional to 66,053.60, 99,080.40 and 31,061.60 is: 46,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,053.60 : 99,080.40 = 31,061.60 : x
  2. Step 2: Convert to fraction form
    66,053.60/99,080.40 = 31,061.60/x
  3. Step 3: Cross multiply
    66,053.60x = 99,080.40 × 31,061.60
  4. Step 4: Simplify right side
    66,053.60x = 3,077,595,752.64
  5. Step 5: Solve for x
    x = 3,077,595,752.64/66,053.60
  6. Step 6: Final answer
    x = 46,592.40

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