Home / 84,621.49-126,932.24-43,097.65

Finding the Fourth Proportional to 84,621.49, 126,932.24 and 43,097.65

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Solution

The fourth proportional to 84,621.49, 126,932.24 and 43,097.65 is: 64,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,621.49 : 126,932.24 = 43,097.65 : x
  2. Step 2: Convert to fraction form
    84,621.49/126,932.24 = 43,097.65/x
  3. Step 3: Cross multiply
    84,621.49x = 126,932.24 × 43,097.65
  4. Step 4: Simplify right side
    84,621.49x = 5,470,481,253.24
  5. Step 5: Solve for x
    x = 5,470,481,253.24/84,621.49
  6. Step 6: Final answer
    x = 64,646.48

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Similar ratio
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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.