Home / 126,627.21-189,947.16-37,881.45

Finding the Fourth Proportional to 126,627.21, 189,947.16 and 37,881.45

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Solution

The fourth proportional to 126,627.21, 189,947.16 and 37,881.45 is: 56,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,627.21 : 189,947.16 = 37,881.45 : x
  2. Step 2: Convert to fraction form
    126,627.21/189,947.16 = 37,881.45/x
  3. Step 3: Cross multiply
    126,627.21x = 189,947.16 × 37,881.45
  4. Step 4: Simplify right side
    126,627.21x = 7,195,473,844.18
  5. Step 5: Solve for x
    x = 7,195,473,844.18/126,627.21
  6. Step 6: Final answer
    x = 56,824.07

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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.