Home / 105,915.20-158,894.66-31,037.78

Finding the Fourth Proportional to 105,915.20, 158,894.66 and 31,037.78

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Solution

The fourth proportional to 105,915.20, 158,894.66 and 31,037.78 is: 46,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,915.20 : 158,894.66 = 31,037.78 : x
  2. Step 2: Convert to fraction form
    105,915.20/158,894.66 = 31,037.78/x
  3. Step 3: Cross multiply
    105,915.20x = 158,894.66 × 31,037.78
  4. Step 4: Simplify right side
    105,915.20x = 4,931,737,975.09
  5. Step 5: Solve for x
    x = 4,931,737,975.09/105,915.20
  6. Step 6: Final answer
    x = 46,563.08

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