Home / 53,678.28-80,349.72-36,940.44

Finding the Fourth Proportional to 53,678.28, 80,349.72 and 36,940.44

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Solution

The fourth proportional to 53,678.28, 80,349.72 and 36,940.44 is: 55,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,678.28 : 80,349.72 = 36,940.44 : x
  2. Step 2: Convert to fraction form
    53,678.28/80,349.72 = 36,940.44/x
  3. Step 3: Cross multiply
    53,678.28x = 80,349.72 × 36,940.44
  4. Step 4: Simplify right side
    53,678.28x = 2,968,154,010.68
  5. Step 5: Solve for x
    x = 2,968,154,010.68/53,678.28
  6. Step 6: Final answer
    x = 55,295.25

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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.