Home / 84,085.92-126,138.12-41,976.57

Finding the Fourth Proportional to 84,085.92, 126,138.12 and 41,976.57

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Solution

The fourth proportional to 84,085.92, 126,138.12 and 41,976.57 is: 62,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,085.92 : 126,138.12 = 41,976.57 : x
  2. Step 2: Convert to fraction form
    84,085.92/126,138.12 = 41,976.57/x
  3. Step 3: Cross multiply
    84,085.92x = 126,138.12 × 41,976.57
  4. Step 4: Simplify right side
    84,085.92x = 5,294,845,623.85
  5. Step 5: Solve for x
    x = 5,294,845,623.85/84,085.92
  6. Step 6: Final answer
    x = 62,969.47

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1.5x scale

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.