Home / 124,022.82-171,132.44-73,037.70

Finding the Fourth Proportional to 124,022.82, 171,132.44 and 73,037.70

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Solution

The fourth proportional to 124,022.82, 171,132.44 and 73,037.70 is: 100,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,022.82 : 171,132.44 = 73,037.70 : x
  2. Step 2: Convert to fraction form
    124,022.82/171,132.44 = 73,037.70/x
  3. Step 3: Cross multiply
    124,022.82x = 171,132.44 × 73,037.70
  4. Step 4: Simplify right side
    124,022.82x = 12,499,119,812.99
  5. Step 5: Solve for x
    x = 12,499,119,812.99/124,022.82
  6. Step 6: Final answer
    x = 100,780.81

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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.