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Finding the Fourth Proportional to 71,276.16, 98,357.76 and 42,975.36

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Solution

The fourth proportional to 71,276.16, 98,357.76 and 42,975.36 is: 59,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,276.16 : 98,357.76 = 42,975.36 : x
  2. Step 2: Convert to fraction form
    71,276.16/98,357.76 = 42,975.36/x
  3. Step 3: Cross multiply
    71,276.16x = 98,357.76 × 42,975.36
  4. Step 4: Simplify right side
    71,276.16x = 4,226,960,144.79
  5. Step 5: Solve for x
    x = 4,226,960,144.79/71,276.16
  6. Step 6: Final answer
    x = 59,303.98

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