Home / 66,178.39-99,186.25-30,591.57

Finding the Fourth Proportional to 66,178.39, 99,186.25 and 30,591.57

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Solution

The fourth proportional to 66,178.39, 99,186.25 and 30,591.57 is: 45,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178.39 : 99,186.25 = 30,591.57 : x
  2. Step 2: Convert to fraction form
    66,178.39/99,186.25 = 30,591.57/x
  3. Step 3: Cross multiply
    66,178.39x = 99,186.25 × 30,591.57
  4. Step 4: Simplify right side
    66,178.39x = 3,034,263,109.91
  5. Step 5: Solve for x
    x = 3,034,263,109.91/66,178.39
  6. Step 6: Final answer
    x = 45,849.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.