Home / 84,214.37-126,294.18-28,039.38

Finding the Fourth Proportional to 84,214.37, 126,294.18 and 28,039.38

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Solution

The fourth proportional to 84,214.37, 126,294.18 and 28,039.38 is: 42,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,214.37 : 126,294.18 = 28,039.38 : x
  2. Step 2: Convert to fraction form
    84,214.37/126,294.18 = 28,039.38/x
  3. Step 3: Cross multiply
    84,214.37x = 126,294.18 × 28,039.38
  4. Step 4: Simplify right side
    84,214.37x = 3,541,210,504.81
  5. Step 5: Solve for x
    x = 3,541,210,504.81/84,214.37
  6. Step 6: Final answer
    x = 42,049.96

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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.