Home / 84,495.62-126,638.10-73,940.58

Finding the Fourth Proportional to 84,495.62, 126,638.10 and 73,940.58

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Solution

The fourth proportional to 84,495.62, 126,638.10 and 73,940.58 is: 110,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,495.62 : 126,638.10 = 73,940.58 : x
  2. Step 2: Convert to fraction form
    84,495.62/126,638.10 = 73,940.58/x
  3. Step 3: Cross multiply
    84,495.62x = 126,638.10 × 73,940.58
  4. Step 4: Simplify right side
    84,495.62x = 9,363,694,564.10
  5. Step 5: Solve for x
    x = 9,363,694,564.10/84,495.62
  6. Step 6: Final answer
    x = 110,818.69

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1.5x scale

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.