Home / 115,224.29-172,836.22-45,054.39

Finding the Fourth Proportional to 115,224.29, 172,836.22 and 45,054.39

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Solution

The fourth proportional to 115,224.29, 172,836.22 and 45,054.39 is: 67,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,224.29 : 172,836.22 = 45,054.39 : x
  2. Step 2: Convert to fraction form
    115,224.29/172,836.22 = 45,054.39/x
  3. Step 3: Cross multiply
    115,224.29x = 172,836.22 × 45,054.39
  4. Step 4: Simplify right side
    115,224.29x = 7,787,030,462.01
  5. Step 5: Solve for x
    x = 7,787,030,462.01/115,224.29
  6. Step 6: Final answer
    x = 67,581.50

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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.