Home / 66,770.09-92,143.82-36,554.91

Finding the Fourth Proportional to 66,770.09, 92,143.82 and 36,554.91

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Solution

The fourth proportional to 66,770.09, 92,143.82 and 36,554.91 is: 50,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.09 : 92,143.82 = 36,554.91 : x
  2. Step 2: Convert to fraction form
    66,770.09/92,143.82 = 36,554.91/x
  3. Step 3: Cross multiply
    66,770.09x = 92,143.82 × 36,554.91
  4. Step 4: Simplify right side
    66,770.09x = 3,368,308,864.38
  5. Step 5: Solve for x
    x = 3,368,308,864.38/66,770.09
  6. Step 6: Final answer
    x = 50,446.37

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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.