Home / 66,899.06-92,306.25-38,588.34

Finding the Fourth Proportional to 66,899.06, 92,306.25 and 38,588.34

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Solution

The fourth proportional to 66,899.06, 92,306.25 and 38,588.34 is: 53,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,899.06 : 92,306.25 = 38,588.34 : x
  2. Step 2: Convert to fraction form
    66,899.06/92,306.25 = 38,588.34/x
  3. Step 3: Cross multiply
    66,899.06x = 92,306.25 × 38,588.34
  4. Step 4: Simplify right side
    66,899.06x = 3,561,945,305.27
  5. Step 5: Solve for x
    x = 3,561,945,305.27/66,899.06
  6. Step 6: Final answer
    x = 53,243.58

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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.