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Finding the Fourth Proportional to 65,655.52, 90,572.96 and 42,984.48

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Solution

The fourth proportional to 65,655.52, 90,572.96 and 42,984.48 is: 59,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,655.52 : 90,572.96 = 42,984.48 : x
  2. Step 2: Convert to fraction form
    65,655.52/90,572.96 = 42,984.48/x
  3. Step 3: Cross multiply
    65,655.52x = 90,572.96 × 42,984.48
  4. Step 4: Simplify right side
    65,655.52x = 3,893,231,587.66
  5. Step 5: Solve for x
    x = 3,893,231,587.66/65,655.52
  6. Step 6: Final answer
    x = 59,297.86

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