Home / 66,876.17-100,319.69-27,433.62

Finding the Fourth Proportional to 66,876.17, 100,319.69 and 27,433.62

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Solution

The fourth proportional to 66,876.17, 100,319.69 and 27,433.62 is: 41,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876.17 : 100,319.69 = 27,433.62 : x
  2. Step 2: Convert to fraction form
    66,876.17/100,319.69 = 27,433.62/x
  3. Step 3: Cross multiply
    66,876.17x = 100,319.69 × 27,433.62
  4. Step 4: Simplify right side
    66,876.17x = 2,752,132,322.56
  5. Step 5: Solve for x
    x = 2,752,132,322.56/66,876.17
  6. Step 6: Final answer
    x = 41,152.66

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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.