Home / 84,700.14-126,947.66-47,220.41

Finding the Fourth Proportional to 84,700.14, 126,947.66 and 47,220.41

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Solution

The fourth proportional to 84,700.14, 126,947.66 and 47,220.41 is: 70,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,700.14 : 126,947.66 = 47,220.41 : x
  2. Step 2: Convert to fraction form
    84,700.14/126,947.66 = 47,220.41/x
  3. Step 3: Cross multiply
    84,700.14x = 126,947.66 × 47,220.41
  4. Step 4: Simplify right side
    84,700.14x = 5,994,519,682.90
  5. Step 5: Solve for x
    x = 5,994,519,682.90/84,700.14
  6. Step 6: Final answer
    x = 70,773.43

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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.