Home / 53,753.02-80,664.65-20,473.41

Finding the Fourth Proportional to 53,753.02, 80,664.65 and 20,473.41

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Solution

The fourth proportional to 53,753.02, 80,664.65 and 20,473.41 is: 30,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,753.02 : 80,664.65 = 20,473.41 : x
  2. Step 2: Convert to fraction form
    53,753.02/80,664.65 = 20,473.41/x
  3. Step 3: Cross multiply
    53,753.02x = 80,664.65 × 20,473.41
  4. Step 4: Simplify right side
    53,753.02x = 1,651,480,451.96
  5. Step 5: Solve for x
    x = 1,651,480,451.96/53,753.02
  6. Step 6: Final answer
    x = 30,723.49

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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.