Home / 48,129.20-72,107.40-42,599.60

Finding the Fourth Proportional to 48,129.20, 72,107.40 and 42,599.60

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Solution

The fourth proportional to 48,129.20, 72,107.40 and 42,599.60 is: 63,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.20 : 72,107.40 = 42,599.60 : x
  2. Step 2: Convert to fraction form
    48,129.20/72,107.40 = 42,599.60/x
  3. Step 3: Cross multiply
    48,129.20x = 72,107.40 × 42,599.60
  4. Step 4: Simplify right side
    48,129.20x = 3,071,746,397.04
  5. Step 5: Solve for x
    x = 3,071,746,397.04/48,129.20
  6. Step 6: Final answer
    x = 63,822.93

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