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Finding the Fourth Proportional to 76,474.10, 105,491.48 and 48,130.58

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Solution

The fourth proportional to 76,474.10, 105,491.48 and 48,130.58 is: 66,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,474.10 : 105,491.48 = 48,130.58 : x
  2. Step 2: Convert to fraction form
    76,474.10/105,491.48 = 48,130.58/x
  3. Step 3: Cross multiply
    76,474.10x = 105,491.48 × 48,130.58
  4. Step 4: Simplify right side
    76,474.10x = 5,077,366,117.46
  5. Step 5: Solve for x
    x = 5,077,366,117.46/76,474.10
  6. Step 6: Final answer
    x = 66,393.28

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