Home / 47,406.11-71,109.14-12,345.76

Finding the Fourth Proportional to 47,406.11, 71,109.14 and 12,345.76

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Solution

The fourth proportional to 47,406.11, 71,109.14 and 12,345.76 is: 18,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,406.11 : 71,109.14 = 12,345.76 : x
  2. Step 2: Convert to fraction form
    47,406.11/71,109.14 = 12,345.76/x
  3. Step 3: Cross multiply
    47,406.11x = 71,109.14 × 12,345.76
  4. Step 4: Simplify right side
    47,406.11x = 877,896,136.74
  5. Step 5: Solve for x
    x = 877,896,136.74/47,406.11
  6. Step 6: Final answer
    x = 18,518.63

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