Home / 78,123.24-107,803.58-45,854.37

Finding the Fourth Proportional to 78,123.24, 107,803.58 and 45,854.37

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Solution

The fourth proportional to 78,123.24, 107,803.58 and 45,854.37 is: 63,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,123.24 : 107,803.58 = 45,854.37 : x
  2. Step 2: Convert to fraction form
    78,123.24/107,803.58 = 45,854.37/x
  3. Step 3: Cross multiply
    78,123.24x = 107,803.58 × 45,854.37
  4. Step 4: Simplify right side
    78,123.24x = 4,943,265,015.37
  5. Step 5: Solve for x
    x = 4,943,265,015.37/78,123.24
  6. Step 6: Final answer
    x = 63,275.22

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