Home / 71,163.48-98,205.62-39,332.39

Finding the Fourth Proportional to 71,163.48, 98,205.62 and 39,332.39

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Solution

The fourth proportional to 71,163.48, 98,205.62 and 39,332.39 is: 54,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,163.48 : 98,205.62 = 39,332.39 : x
  2. Step 2: Convert to fraction form
    71,163.48/98,205.62 = 39,332.39/x
  3. Step 3: Cross multiply
    71,163.48x = 98,205.62 × 39,332.39
  4. Step 4: Simplify right side
    71,163.48x = 3,862,661,058.34
  5. Step 5: Solve for x
    x = 3,862,661,058.34/71,163.48
  6. Step 6: Final answer
    x = 54,278.70

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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.