Home / 57,691.02-79,621.44-33,827.20

Finding the Fourth Proportional to 57,691.02, 79,621.44 and 33,827.20

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Solution

The fourth proportional to 57,691.02, 79,621.44 and 33,827.20 is: 46,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,691.02 : 79,621.44 = 33,827.20 : x
  2. Step 2: Convert to fraction form
    57,691.02/79,621.44 = 33,827.20/x
  3. Step 3: Cross multiply
    57,691.02x = 79,621.44 × 33,827.20
  4. Step 4: Simplify right side
    57,691.02x = 2,693,370,375.17
  5. Step 5: Solve for x
    x = 2,693,370,375.17/57,691.02
  6. Step 6: Final answer
    x = 46,686.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.