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Finding the Fourth Proportional to 48,381.40, 72,476.10 and 42,608.60

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Solution

The fourth proportional to 48,381.40, 72,476.10 and 42,608.60 is: 63,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.40 : 72,476.10 = 42,608.60 : x
  2. Step 2: Convert to fraction form
    48,381.40/72,476.10 = 42,608.60/x
  3. Step 3: Cross multiply
    48,381.40x = 72,476.10 × 42,608.60
  4. Step 4: Simplify right side
    48,381.40x = 3,088,105,154.46
  5. Step 5: Solve for x
    x = 3,088,105,154.46/48,381.40
  6. Step 6: Final answer
    x = 63,828.35

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