Home / 84,500.66-126,763.50-28,327.34

Finding the Fourth Proportional to 84,500.66, 126,763.50 and 28,327.34

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Solution

The fourth proportional to 84,500.66, 126,763.50 and 28,327.34 is: 42,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,500.66 : 126,763.50 = 28,327.34 : x
  2. Step 2: Convert to fraction form
    84,500.66/126,763.50 = 28,327.34/x
  3. Step 3: Cross multiply
    84,500.66x = 126,763.50 × 28,327.34
  4. Step 4: Simplify right side
    84,500.66x = 3,590,872,764.09
  5. Step 5: Solve for x
    x = 3,590,872,764.09/84,500.66
  6. Step 6: Final answer
    x = 42,495.20

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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.