Home / 103,624.35-155,345.40-70,236.15

Finding the Fourth Proportional to 103,624.35, 155,345.40 and 70,236.15

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Solution

The fourth proportional to 103,624.35, 155,345.40 and 70,236.15 is: 105,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.35 : 155,345.40 = 70,236.15 : x
  2. Step 2: Convert to fraction form
    103,624.35/155,345.40 = 70,236.15/x
  3. Step 3: Cross multiply
    103,624.35x = 155,345.40 × 70,236.15
  4. Step 4: Simplify right side
    103,624.35x = 10,910,862,816.21
  5. Step 5: Solve for x
    x = 10,910,862,816.21/103,624.35
  6. Step 6: Final answer
    x = 105,292.46

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