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Finding the Fourth Proportional to 85,527.40, 128,096.70 and 43,925.80

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Solution

The fourth proportional to 85,527.40, 128,096.70 and 43,925.80 is: 65,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,527.40 : 128,096.70 = 43,925.80 : x
  2. Step 2: Convert to fraction form
    85,527.40/128,096.70 = 43,925.80/x
  3. Step 3: Cross multiply
    85,527.40x = 128,096.70 × 43,925.80
  4. Step 4: Simplify right side
    85,527.40x = 5,626,750,024.86
  5. Step 5: Solve for x
    x = 5,626,750,024.86/85,527.40
  6. Step 6: Final answer
    x = 65,788.86

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