Home / 126,002.82-189,038.34-47,125.02

Finding the Fourth Proportional to 126,002.82, 189,038.34 and 47,125.02

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Solution

The fourth proportional to 126,002.82, 189,038.34 and 47,125.02 is: 70,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,002.82 : 189,038.34 = 47,125.02 : x
  2. Step 2: Convert to fraction form
    126,002.82/189,038.34 = 47,125.02/x
  3. Step 3: Cross multiply
    126,002.82x = 189,038.34 × 47,125.02
  4. Step 4: Simplify right side
    126,002.82x = 8,908,435,553.27
  5. Step 5: Solve for x
    x = 8,908,435,553.27/126,002.82
  6. Step 6: Final answer
    x = 70,700.29

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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.