Home / 66,227.25-91,427.48-51,085.92

Finding the Fourth Proportional to 66,227.25, 91,427.48 and 51,085.92

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Solution

The fourth proportional to 66,227.25, 91,427.48 and 51,085.92 is: 70,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,227.25 : 91,427.48 = 51,085.92 : x
  2. Step 2: Convert to fraction form
    66,227.25/91,427.48 = 51,085.92/x
  3. Step 3: Cross multiply
    66,227.25x = 91,427.48 × 51,085.92
  4. Step 4: Simplify right side
    66,227.25x = 4,670,656,673.65
  5. Step 5: Solve for x
    x = 4,670,656,673.65/66,227.25
  6. Step 6: Final answer
    x = 70,524.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.