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Finding the Fourth Proportional to 93,281.30, 128,731.67 and 53,001.89

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Solution

The fourth proportional to 93,281.30, 128,731.67 and 53,001.89 is: 73,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,281.30 : 128,731.67 = 53,001.89 : x
  2. Step 2: Convert to fraction form
    93,281.30/128,731.67 = 53,001.89/x
  3. Step 3: Cross multiply
    93,281.30x = 128,731.67 × 53,001.89
  4. Step 4: Simplify right side
    93,281.30x = 6,823,020,904.19
  5. Step 5: Solve for x
    x = 6,823,020,904.19/93,281.30
  6. Step 6: Final answer
    x = 73,144.58

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