Home / 52,357.15-78,535.35-21,191.95

Finding the Fourth Proportional to 52,357.15, 78,535.35 and 21,191.95

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Solution

The fourth proportional to 52,357.15, 78,535.35 and 21,191.95 is: 31,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.15 : 78,535.35 = 21,191.95 : x
  2. Step 2: Convert to fraction form
    52,357.15/78,535.35 = 21,191.95/x
  3. Step 3: Cross multiply
    52,357.15x = 78,535.35 × 21,191.95
  4. Step 4: Simplify right side
    52,357.15x = 1,664,317,210.43
  5. Step 5: Solve for x
    x = 1,664,317,210.43/52,357.15
  6. Step 6: Final answer
    x = 31,787.77

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