Home / 106,505.32-159,544.14-53,036.20

Finding the Fourth Proportional to 106,505.32, 159,544.14 and 53,036.20

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Solution

The fourth proportional to 106,505.32, 159,544.14 and 53,036.20 is: 79,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,505.32 : 159,544.14 = 53,036.20 : x
  2. Step 2: Convert to fraction form
    106,505.32/159,544.14 = 53,036.20/x
  3. Step 3: Cross multiply
    106,505.32x = 159,544.14 × 53,036.20
  4. Step 4: Simplify right side
    106,505.32x = 8,461,614,917.87
  5. Step 5: Solve for x
    x = 8,461,614,917.87/106,505.32
  6. Step 6: Final answer
    x = 79,447.81

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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.