Home / 106,729.35-159,962.81-59,883.81

Finding the Fourth Proportional to 106,729.35, 159,962.81 and 59,883.81

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Solution

The fourth proportional to 106,729.35, 159,962.81 and 59,883.81 is: 89,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,729.35 : 159,962.81 = 59,883.81 : x
  2. Step 2: Convert to fraction form
    106,729.35/159,962.81 = 59,883.81/x
  3. Step 3: Cross multiply
    106,729.35x = 159,962.81 × 59,883.81
  4. Step 4: Simplify right side
    106,729.35x = 9,579,182,221.69
  5. Step 5: Solve for x
    x = 9,579,182,221.69/106,729.35
  6. Step 6: Final answer
    x = 89,752.09

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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.