Home / 106,497.32-159,532.06-53,028.20

Finding the Fourth Proportional to 106,497.32, 159,532.06 and 53,028.20

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Solution

The fourth proportional to 106,497.32, 159,532.06 and 53,028.20 is: 79,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,497.32 : 159,532.06 = 53,028.20 : x
  2. Step 2: Convert to fraction form
    106,497.32/159,532.06 = 53,028.20/x
  3. Step 3: Cross multiply
    106,497.32x = 159,532.06 × 53,028.20
  4. Step 4: Simplify right side
    106,497.32x = 8,459,697,984.09
  5. Step 5: Solve for x
    x = 8,459,697,984.09/106,497.32
  6. Step 6: Final answer
    x = 79,435.78

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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.