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Finding the Fourth Proportional to 93,315.75, 128,775.74 and 59,781.75

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Solution

The fourth proportional to 93,315.75, 128,775.74 and 59,781.75 is: 82,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,315.75 : 128,775.74 = 59,781.75 : x
  2. Step 2: Convert to fraction form
    93,315.75/128,775.74 = 59,781.75/x
  3. Step 3: Cross multiply
    93,315.75x = 128,775.74 × 59,781.75
  4. Step 4: Simplify right side
    93,315.75x = 7,698,438,795.84
  5. Step 5: Solve for x
    x = 7,698,438,795.84/93,315.75
  6. Step 6: Final answer
    x = 82,498.82

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