Home / 57,161.07-85,686.30-25,553.25

Finding the Fourth Proportional to 57,161.07, 85,686.30 and 25,553.25

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Solution

The fourth proportional to 57,161.07, 85,686.30 and 25,553.25 is: 38,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,161.07 : 85,686.30 = 25,553.25 : x
  2. Step 2: Convert to fraction form
    57,161.07/85,686.30 = 25,553.25/x
  3. Step 3: Cross multiply
    57,161.07x = 85,686.30 × 25,553.25
  4. Step 4: Simplify right side
    57,161.07x = 2,189,563,445.48
  5. Step 5: Solve for x
    x = 2,189,563,445.48/57,161.07
  6. Step 6: Final answer
    x = 38,305.15

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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.