Home / 84,059.10-126,047.43-27,880.29

Finding the Fourth Proportional to 84,059.10, 126,047.43 and 27,880.29

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Solution

The fourth proportional to 84,059.10, 126,047.43 and 27,880.29 is: 41,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,059.10 : 126,047.43 = 27,880.29 : x
  2. Step 2: Convert to fraction form
    84,059.10/126,047.43 = 27,880.29/x
  3. Step 3: Cross multiply
    84,059.10x = 126,047.43 × 27,880.29
  4. Step 4: Simplify right side
    84,059.10x = 3,514,238,902.15
  5. Step 5: Solve for x
    x = 3,514,238,902.15/84,059.10
  6. Step 6: Final answer
    x = 41,806.76

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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.