Home / 66,525.27-91,805.74-39,302.25

Finding the Fourth Proportional to 66,525.27, 91,805.74 and 39,302.25

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Solution

The fourth proportional to 66,525.27, 91,805.74 and 39,302.25 is: 54,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,525.27 : 91,805.74 = 39,302.25 : x
  2. Step 2: Convert to fraction form
    66,525.27/91,805.74 = 39,302.25/x
  3. Step 3: Cross multiply
    66,525.27x = 91,805.74 × 39,302.25
  4. Step 4: Simplify right side
    66,525.27x = 3,608,172,144.92
  5. Step 5: Solve for x
    x = 3,608,172,144.92/66,525.27
  6. Step 6: Final answer
    x = 54,237.62

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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.