Home / 106,788.79-160,221.58-49,913.35

Finding the Fourth Proportional to 106,788.79, 160,221.58 and 49,913.35

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Solution

The fourth proportional to 106,788.79, 160,221.58 and 49,913.35 is: 74,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,788.79 : 160,221.58 = 49,913.35 : x
  2. Step 2: Convert to fraction form
    106,788.79/160,221.58 = 49,913.35/x
  3. Step 3: Cross multiply
    106,788.79x = 160,221.58 × 49,913.35
  4. Step 4: Simplify right side
    106,788.79x = 7,997,195,800.09
  5. Step 5: Solve for x
    x = 7,997,195,800.09/106,788.79
  6. Step 6: Final answer
    x = 74,887.97

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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.