Home / 57,073.02-78,712.42-34,407.04

Finding the Fourth Proportional to 57,073.02, 78,712.42 and 34,407.04

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Solution

The fourth proportional to 57,073.02, 78,712.42 and 34,407.04 is: 47,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,073.02 : 78,712.42 = 34,407.04 : x
  2. Step 2: Convert to fraction form
    57,073.02/78,712.42 = 34,407.04/x
  3. Step 3: Cross multiply
    57,073.02x = 78,712.42 × 34,407.04
  4. Step 4: Simplify right side
    57,073.02x = 2,708,261,383.44
  5. Step 5: Solve for x
    x = 2,708,261,383.44/57,073.02
  6. Step 6: Final answer
    x = 47,452.57

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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.