Home / 124,979.12-187,496.40-36,236.24

Finding the Fourth Proportional to 124,979.12, 187,496.40 and 36,236.24

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Solution

The fourth proportional to 124,979.12, 187,496.40 and 36,236.24 is: 54,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,979.12 : 187,496.40 = 36,236.24 : x
  2. Step 2: Convert to fraction form
    124,979.12/187,496.40 = 36,236.24/x
  3. Step 3: Cross multiply
    124,979.12x = 187,496.40 × 36,236.24
  4. Step 4: Simplify right side
    124,979.12x = 6,794,164,549.54
  5. Step 5: Solve for x
    x = 6,794,164,549.54/124,979.12
  6. Step 6: Final answer
    x = 54,362.40

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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.