Home / 66,770.19-92,142.89-36,557.43

Finding the Fourth Proportional to 66,770.19, 92,142.89 and 36,557.43

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Solution

The fourth proportional to 66,770.19, 92,142.89 and 36,557.43 is: 50,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.19 : 92,142.89 = 36,557.43 : x
  2. Step 2: Convert to fraction form
    66,770.19/92,142.89 = 36,557.43/x
  3. Step 3: Cross multiply
    66,770.19x = 92,142.89 × 36,557.43
  4. Step 4: Simplify right side
    66,770.19x = 3,368,507,251.17
  5. Step 5: Solve for x
    x = 3,368,507,251.17/66,770.19
  6. Step 6: Final answer
    x = 50,449.27

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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.