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Finding the Fourth Proportional to 93,108.31, 128,479.70 and 52,809.19

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Solution

The fourth proportional to 93,108.31, 128,479.70 and 52,809.19 is: 72,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,108.31 : 128,479.70 = 52,809.19 : x
  2. Step 2: Convert to fraction form
    93,108.31/128,479.70 = 52,809.19/x
  3. Step 3: Cross multiply
    93,108.31x = 128,479.70 × 52,809.19
  4. Step 4: Simplify right side
    93,108.31x = 6,784,908,624.40
  5. Step 5: Solve for x
    x = 6,784,908,624.40/93,108.31
  6. Step 6: Final answer
    x = 72,871.14

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