Home / 115,037.28-172,468.08-36,105.84

Finding the Fourth Proportional to 115,037.28, 172,468.08 and 36,105.84

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Solution

The fourth proportional to 115,037.28, 172,468.08 and 36,105.84 is: 54,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037.28 : 172,468.08 = 36,105.84 : x
  2. Step 2: Convert to fraction form
    115,037.28/172,468.08 = 36,105.84/x
  3. Step 3: Cross multiply
    115,037.28x = 172,468.08 × 36,105.84
  4. Step 4: Simplify right side
    115,037.28x = 6,227,104,901.59
  5. Step 5: Solve for x
    x = 6,227,104,901.59/115,037.28
  6. Step 6: Final answer
    x = 54,131.19

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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.