Home / 66,269.76-91,451.27-36,054.40

Finding the Fourth Proportional to 66,269.76, 91,451.27 and 36,054.40

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Solution

The fourth proportional to 66,269.76, 91,451.27 and 36,054.40 is: 49,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269.76 : 91,451.27 = 36,054.40 : x
  2. Step 2: Convert to fraction form
    66,269.76/91,451.27 = 36,054.40/x
  3. Step 3: Cross multiply
    66,269.76x = 91,451.27 × 36,054.40
  4. Step 4: Simplify right side
    66,269.76x = 3,297,220,031.56
  5. Step 5: Solve for x
    x = 3,297,220,031.56/66,269.76
  6. Step 6: Final answer
    x = 49,754.52

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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.