Home / 84,039.18-126,045.81-37,283.82

Finding the Fourth Proportional to 84,039.18, 126,045.81 and 37,283.82

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Solution

The fourth proportional to 84,039.18, 126,045.81 and 37,283.82 is: 55,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,039.18 : 126,045.81 = 37,283.82 : x
  2. Step 2: Convert to fraction form
    84,039.18/126,045.81 = 37,283.82/x
  3. Step 3: Cross multiply
    84,039.18x = 126,045.81 × 37,283.82
  4. Step 4: Simplify right side
    84,039.18x = 4,699,469,291.79
  5. Step 5: Solve for x
    x = 4,699,469,291.79/84,039.18
  6. Step 6: Final answer
    x = 55,919.98

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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.