Home / 115,329.89-172,993.80-36,444.13

Finding the Fourth Proportional to 115,329.89, 172,993.80 and 36,444.13

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Solution

The fourth proportional to 115,329.89, 172,993.80 and 36,444.13 is: 54,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,329.89 : 172,993.80 = 36,444.13 : x
  2. Step 2: Convert to fraction form
    115,329.89/172,993.80 = 36,444.13/x
  3. Step 3: Cross multiply
    115,329.89x = 172,993.80 × 36,444.13
  4. Step 4: Simplify right side
    115,329.89x = 6,304,608,536.39
  5. Step 5: Solve for x
    x = 6,304,608,536.39/115,329.89
  6. Step 6: Final answer
    x = 54,665.87

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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.