Home / 84,562.25-126,733.22-47,120.81

Finding the Fourth Proportional to 84,562.25, 126,733.22 and 47,120.81

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Solution

The fourth proportional to 84,562.25, 126,733.22 and 47,120.81 is: 70,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,562.25 : 126,733.22 = 47,120.81 : x
  2. Step 2: Convert to fraction form
    84,562.25/126,733.22 = 47,120.81/x
  3. Step 3: Cross multiply
    84,562.25x = 126,733.22 × 47,120.81
  4. Step 4: Simplify right side
    84,562.25x = 5,971,772,061.54
  5. Step 5: Solve for x
    x = 5,971,772,061.54/84,562.25
  6. Step 6: Final answer
    x = 70,619.83

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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.