Home / 87,610.29-120,902.25-47,324.05

Finding the Fourth Proportional to 87,610.29, 120,902.25 and 47,324.05

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Solution

The fourth proportional to 87,610.29, 120,902.25 and 47,324.05 is: 65,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,610.29 : 120,902.25 = 47,324.05 : x
  2. Step 2: Convert to fraction form
    87,610.29/120,902.25 = 47,324.05/x
  3. Step 3: Cross multiply
    87,610.29x = 120,902.25 × 47,324.05
  4. Step 4: Simplify right side
    87,610.29x = 5,721,583,887.49
  5. Step 5: Solve for x
    x = 5,721,583,887.49/87,610.29
  6. Step 6: Final answer
    x = 65,307.22

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1.5x scale

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.