Home / 126,034.24-189,084.16-47,154.64

Finding the Fourth Proportional to 126,034.24, 189,084.16 and 47,154.64

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Solution

The fourth proportional to 126,034.24, 189,084.16 and 47,154.64 is: 70,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,034.24 : 189,084.16 = 47,154.64 : x
  2. Step 2: Convert to fraction form
    126,034.24/189,084.16 = 47,154.64/x
  3. Step 3: Cross multiply
    126,034.24x = 189,084.16 × 47,154.64
  4. Step 4: Simplify right side
    126,034.24x = 8,916,195,494.50
  5. Step 5: Solve for x
    x = 8,916,195,494.50/126,034.24
  6. Step 6: Final answer
    x = 70,744.23

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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.