Home / 106,639.71-159,836.52-40,037.36

Finding the Fourth Proportional to 106,639.71, 159,836.52 and 40,037.36

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Solution

The fourth proportional to 106,639.71, 159,836.52 and 40,037.36 is: 60,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,639.71 : 159,836.52 = 40,037.36 : x
  2. Step 2: Convert to fraction form
    106,639.71/159,836.52 = 40,037.36/x
  3. Step 3: Cross multiply
    106,639.71x = 159,836.52 × 40,037.36
  4. Step 4: Simplify right side
    106,639.71x = 6,399,431,643.34
  5. Step 5: Solve for x
    x = 6,399,431,643.34/106,639.71
  6. Step 6: Final answer
    x = 60,009.84

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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.