Home / 71,163.10-98,205.11-39,332.00

Finding the Fourth Proportional to 71,163.10, 98,205.11 and 39,332.00

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Solution

The fourth proportional to 71,163.10, 98,205.11 and 39,332.00 is: 54,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,163.10 : 98,205.11 = 39,332.00 : x
  2. Step 2: Convert to fraction form
    71,163.10/98,205.11 = 39,332.00/x
  3. Step 3: Cross multiply
    71,163.10x = 98,205.11 × 39,332.00
  4. Step 4: Simplify right side
    71,163.10x = 3,862,603,582.87
  5. Step 5: Solve for x
    x = 3,862,603,582.87/71,163.10
  6. Step 6: Final answer
    x = 54,278.18

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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.