Home / 107,601.45-161,400.84-48,395.31

Finding the Fourth Proportional to 107,601.45, 161,400.84 and 48,395.31

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Solution

The fourth proportional to 107,601.45, 161,400.84 and 48,395.31 is: 72,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,601.45 : 161,400.84 = 48,395.31 : x
  2. Step 2: Convert to fraction form
    107,601.45/161,400.84 = 48,395.31/x
  3. Step 3: Cross multiply
    107,601.45x = 161,400.84 × 48,395.31
  4. Step 4: Simplify right side
    107,601.45x = 7,811,043,686.06
  5. Step 5: Solve for x
    x = 7,811,043,686.06/107,601.45
  6. Step 6: Final answer
    x = 72,592.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.