Home / 84,532.36-126,788.76-22,207.72

Finding the Fourth Proportional to 84,532.36, 126,788.76 and 22,207.72

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Solution

The fourth proportional to 84,532.36, 126,788.76 and 22,207.72 is: 33,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,532.36 : 126,788.76 = 22,207.72 : x
  2. Step 2: Convert to fraction form
    84,532.36/126,788.76 = 22,207.72/x
  3. Step 3: Cross multiply
    84,532.36x = 126,788.76 × 22,207.72
  4. Step 4: Simplify right side
    84,532.36x = 2,815,689,281.23
  5. Step 5: Solve for x
    x = 2,815,689,281.23/84,532.36
  6. Step 6: Final answer
    x = 33,309.01

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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.