Home / 76,743.14-115,114.72-37,266.42

Finding the Fourth Proportional to 76,743.14, 115,114.72 and 37,266.42

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Solution

The fourth proportional to 76,743.14, 115,114.72 and 37,266.42 is: 55,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,743.14 : 115,114.72 = 37,266.42 : x
  2. Step 2: Convert to fraction form
    76,743.14/115,114.72 = 37,266.42/x
  3. Step 3: Cross multiply
    76,743.14x = 115,114.72 × 37,266.42
  4. Step 4: Simplify right side
    76,743.14x = 4,289,913,503.70
  5. Step 5: Solve for x
    x = 4,289,913,503.70/76,743.14
  6. Step 6: Final answer
    x = 55,899.63

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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.