Home / 84,224.96-126,295.18-28,045.28

Finding the Fourth Proportional to 84,224.96, 126,295.18 and 28,045.28

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Solution

The fourth proportional to 84,224.96, 126,295.18 and 28,045.28 is: 42,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,224.96 : 126,295.18 = 28,045.28 : x
  2. Step 2: Convert to fraction form
    84,224.96/126,295.18 = 28,045.28/x
  3. Step 3: Cross multiply
    84,224.96x = 126,295.18 × 28,045.28
  4. Step 4: Simplify right side
    84,224.96x = 3,541,983,685.75
  5. Step 5: Solve for x
    x = 3,541,983,685.75/84,224.96
  6. Step 6: Final answer
    x = 42,053.85

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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.