Home / 101,350.98-139,860.18-58,906.26

Finding the Fourth Proportional to 101,350.98, 139,860.18 and 58,906.26

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Solution

The fourth proportional to 101,350.98, 139,860.18 and 58,906.26 is: 81,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,350.98 : 139,860.18 = 58,906.26 : x
  2. Step 2: Convert to fraction form
    101,350.98/139,860.18 = 58,906.26/x
  3. Step 3: Cross multiply
    101,350.98x = 139,860.18 × 58,906.26
  4. Step 4: Simplify right side
    101,350.98x = 8,238,640,126.73
  5. Step 5: Solve for x
    x = 8,238,640,126.73/101,350.98
  6. Step 6: Final answer
    x = 81,288.21

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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.