Home / 84,500.56-126,746.99-28,336.35

Finding the Fourth Proportional to 84,500.56, 126,746.99 and 28,336.35

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Solution

The fourth proportional to 84,500.56, 126,746.99 and 28,336.35 is: 42,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,500.56 : 126,746.99 = 28,336.35 : x
  2. Step 2: Convert to fraction form
    84,500.56/126,746.99 = 28,336.35/x
  3. Step 3: Cross multiply
    84,500.56x = 126,746.99 × 28,336.35
  4. Step 4: Simplify right side
    84,500.56x = 3,591,546,850.15
  5. Step 5: Solve for x
    x = 3,591,546,850.15/84,500.56
  6. Step 6: Final answer
    x = 42,503.23

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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.