Home / 66,207.16-99,335.24-30,685.44

Finding the Fourth Proportional to 66,207.16, 99,335.24 and 30,685.44

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Solution

The fourth proportional to 66,207.16, 99,335.24 and 30,685.44 is: 46,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.16 : 99,335.24 = 30,685.44 : x
  2. Step 2: Convert to fraction form
    66,207.16/99,335.24 = 30,685.44/x
  3. Step 3: Cross multiply
    66,207.16x = 99,335.24 × 30,685.44
  4. Step 4: Simplify right side
    66,207.16x = 3,048,145,546.91
  5. Step 5: Solve for x
    x = 3,048,145,546.91/66,207.16
  6. Step 6: Final answer
    x = 46,039.52

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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.