Home / 53,832.02-80,753.40-20,580.05

Finding the Fourth Proportional to 53,832.02, 80,753.40 and 20,580.05

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Solution

The fourth proportional to 53,832.02, 80,753.40 and 20,580.05 is: 30,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,832.02 : 80,753.40 = 20,580.05 : x
  2. Step 2: Convert to fraction form
    53,832.02/80,753.40 = 20,580.05/x
  3. Step 3: Cross multiply
    53,832.02x = 80,753.40 × 20,580.05
  4. Step 4: Simplify right side
    53,832.02x = 1,661,909,211.55
  5. Step 5: Solve for x
    x = 1,661,909,211.55/53,832.02
  6. Step 6: Final answer
    x = 30,872.13

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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.