Home / 88,192.05-121,656.56-55,867.47

Finding the Fourth Proportional to 88,192.05, 121,656.56 and 55,867.47

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Solution

The fourth proportional to 88,192.05, 121,656.56 and 55,867.47 is: 77,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,192.05 : 121,656.56 = 55,867.47 : x
  2. Step 2: Convert to fraction form
    88,192.05/121,656.56 = 55,867.47/x
  3. Step 3: Cross multiply
    88,192.05x = 121,656.56 × 55,867.47
  4. Step 4: Simplify right side
    88,192.05x = 6,796,643,936.77
  5. Step 5: Solve for x
    x = 6,796,643,936.77/88,192.05
  6. Step 6: Final answer
    x = 77,066.40

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