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Finding the Fourth Proportional to 98,032.72, 135,285.24 and 53,320.72

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Solution

The fourth proportional to 98,032.72, 135,285.24 and 53,320.72 is: 73,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,032.72 : 135,285.24 = 53,320.72 : x
  2. Step 2: Convert to fraction form
    98,032.72/135,285.24 = 53,320.72/x
  3. Step 3: Cross multiply
    98,032.72x = 135,285.24 × 53,320.72
  4. Step 4: Simplify right side
    98,032.72x = 7,213,506,402.17
  5. Step 5: Solve for x
    x = 7,213,506,402.17/98,032.72
  6. Step 6: Final answer
    x = 73,582.64

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