Home / 66,185.34-91,337.97-38,956.49

Finding the Fourth Proportional to 66,185.34, 91,337.97 and 38,956.49

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Solution

The fourth proportional to 66,185.34, 91,337.97 and 38,956.49 is: 53,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,185.34 : 91,337.97 = 38,956.49 : x
  2. Step 2: Convert to fraction form
    66,185.34/91,337.97 = 38,956.49/x
  3. Step 3: Cross multiply
    66,185.34x = 91,337.97 × 38,956.49
  4. Step 4: Simplify right side
    66,185.34x = 3,558,206,714.93
  5. Step 5: Solve for x
    x = 3,558,206,714.93/66,185.34
  6. Step 6: Final answer
    x = 53,761.25

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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.