Home / 85,212.26-127,818.72-26,047.70

Finding the Fourth Proportional to 85,212.26, 127,818.72 and 26,047.70

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Solution

The fourth proportional to 85,212.26, 127,818.72 and 26,047.70 is: 39,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212.26 : 127,818.72 = 26,047.70 : x
  2. Step 2: Convert to fraction form
    85,212.26/127,818.72 = 26,047.70/x
  3. Step 3: Cross multiply
    85,212.26x = 127,818.72 × 26,047.70
  4. Step 4: Simplify right side
    85,212.26x = 3,329,383,672.94
  5. Step 5: Solve for x
    x = 3,329,383,672.94/85,212.26
  6. Step 6: Final answer
    x = 39,071.65

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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.