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Finding the Fourth Proportional to 90,897.75, 125,448.62 and 53,203.59

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Solution

The fourth proportional to 90,897.75, 125,448.62 and 53,203.59 is: 73,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,897.75 : 125,448.62 = 53,203.59 : x
  2. Step 2: Convert to fraction form
    90,897.75/125,448.62 = 53,203.59/x
  3. Step 3: Cross multiply
    90,897.75x = 125,448.62 × 53,203.59
  4. Step 4: Simplify right side
    90,897.75x = 6,674,316,678.53
  5. Step 5: Solve for x
    x = 6,674,316,678.53/90,897.75
  6. Step 6: Final answer
    x = 73,426.64

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