Home / 84,520.57-126,845.13-31,262.94

Finding the Fourth Proportional to 84,520.57, 126,845.13 and 31,262.94

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Solution

The fourth proportional to 84,520.57, 126,845.13 and 31,262.94 is: 46,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,520.57 : 126,845.13 = 31,262.94 : x
  2. Step 2: Convert to fraction form
    84,520.57/126,845.13 = 31,262.94/x
  3. Step 3: Cross multiply
    84,520.57x = 126,845.13 × 31,262.94
  4. Step 4: Simplify right side
    84,520.57x = 3,965,551,688.48
  5. Step 5: Solve for x
    x = 3,965,551,688.48/84,520.57
  6. Step 6: Final answer
    x = 46,918.18

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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.