Home / 80,788.34-121,187.44-34,044.98

Finding the Fourth Proportional to 80,788.34, 121,187.44 and 34,044.98

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Solution

The fourth proportional to 80,788.34, 121,187.44 and 34,044.98 is: 51,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,788.34 : 121,187.44 = 34,044.98 : x
  2. Step 2: Convert to fraction form
    80,788.34/121,187.44 = 34,044.98/x
  3. Step 3: Cross multiply
    80,788.34x = 121,187.44 × 34,044.98
  4. Step 4: Simplify right side
    80,788.34x = 4,125,823,971.05
  5. Step 5: Solve for x
    x = 4,125,823,971.05/80,788.34
  6. Step 6: Final answer
    x = 51,069.55

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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.