Home / 83,672.19-115,466.31-45,946.44

Finding the Fourth Proportional to 83,672.19, 115,466.31 and 45,946.44

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Solution

The fourth proportional to 83,672.19, 115,466.31 and 45,946.44 is: 63,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,672.19 : 115,466.31 = 45,946.44 : x
  2. Step 2: Convert to fraction form
    83,672.19/115,466.31 = 45,946.44/x
  3. Step 3: Cross multiply
    83,672.19x = 115,466.31 × 45,946.44
  4. Step 4: Simplify right side
    83,672.19x = 5,305,265,884.44
  5. Step 5: Solve for x
    x = 5,305,265,884.44/83,672.19
  6. Step 6: Final answer
    x = 63,405.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.