Home / 88,371.13-133,037.38-80,524.21

Finding the Fourth Proportional to 88,371.13, 133,037.38 and 80,524.21

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Solution

The fourth proportional to 88,371.13, 133,037.38 and 80,524.21 is: 121,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,371.13 : 133,037.38 = 80,524.21 : x
  2. Step 2: Convert to fraction form
    88,371.13/133,037.38 = 80,524.21/x
  3. Step 3: Cross multiply
    88,371.13x = 133,037.38 × 80,524.21
  4. Step 4: Simplify right side
    88,371.13x = 10,712,729,924.97
  5. Step 5: Solve for x
    x = 10,712,729,924.97/88,371.13
  6. Step 6: Final answer
    x = 121,224.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.