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Finding the Fourth Proportional to 64,457.70, 96,686.55 and 48,905.70

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Solution

The fourth proportional to 64,457.70, 96,686.55 and 48,905.70 is: 73,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,457.70 : 96,686.55 = 48,905.70 : x
  2. Step 2: Convert to fraction form
    64,457.70/96,686.55 = 48,905.70/x
  3. Step 3: Cross multiply
    64,457.70x = 96,686.55 × 48,905.70
  4. Step 4: Simplify right side
    64,457.70x = 4,728,523,408.34
  5. Step 5: Solve for x
    x = 4,728,523,408.34/64,457.70
  6. Step 6: Final answer
    x = 73,358.55

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