Home / 66,126.64-99,236.04-29,170.48

Finding the Fourth Proportional to 66,126.64, 99,236.04 and 29,170.48

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Solution

The fourth proportional to 66,126.64, 99,236.04 and 29,170.48 is: 43,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126.64 : 99,236.04 = 29,170.48 : x
  2. Step 2: Convert to fraction form
    66,126.64/99,236.04 = 29,170.48/x
  3. Step 3: Cross multiply
    66,126.64x = 99,236.04 × 29,170.48
  4. Step 4: Simplify right side
    66,126.64x = 2,894,762,920.10
  5. Step 5: Solve for x
    x = 2,894,762,920.10/66,126.64
  6. Step 6: Final answer
    x = 43,776.05

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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.