Home / 51,346.92-70,856.20-28,681.40

Finding the Fourth Proportional to 51,346.92, 70,856.20 and 28,681.40

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Solution

The fourth proportional to 51,346.92, 70,856.20 and 28,681.40 is: 39,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,346.92 : 70,856.20 = 28,681.40 : x
  2. Step 2: Convert to fraction form
    51,346.92/70,856.20 = 28,681.40/x
  3. Step 3: Cross multiply
    51,346.92x = 70,856.20 × 28,681.40
  4. Step 4: Simplify right side
    51,346.92x = 2,032,255,014.68
  5. Step 5: Solve for x
    x = 2,032,255,014.68/51,346.92
  6. Step 6: Final answer
    x = 39,578.91

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