Home / 75,336.64-103,967.82-45,126.88

Finding the Fourth Proportional to 75,336.64, 103,967.82 and 45,126.88

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Solution

The fourth proportional to 75,336.64, 103,967.82 and 45,126.88 is: 62,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,336.64 : 103,967.82 = 45,126.88 : x
  2. Step 2: Convert to fraction form
    75,336.64/103,967.82 = 45,126.88/x
  3. Step 3: Cross multiply
    75,336.64x = 103,967.82 × 45,126.88
  4. Step 4: Simplify right side
    75,336.64x = 4,691,743,337.00
  5. Step 5: Solve for x
    x = 4,691,743,337.00/75,336.64
  6. Step 6: Final answer
    x = 62,277.05

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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.