Home / 81,083.43-121,625.13-59,037.11

Finding the Fourth Proportional to 81,083.43, 121,625.13 and 59,037.11

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Solution

The fourth proportional to 81,083.43, 121,625.13 and 59,037.11 is: 88,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,083.43 : 121,625.13 = 59,037.11 : x
  2. Step 2: Convert to fraction form
    81,083.43/121,625.13 = 59,037.11/x
  3. Step 3: Cross multiply
    81,083.43x = 121,625.13 × 59,037.11
  4. Step 4: Simplify right side
    81,083.43x = 7,180,395,570.45
  5. Step 5: Solve for x
    x = 7,180,395,570.45/81,083.43
  6. Step 6: Final answer
    x = 88,555.65

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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.