Home / 77,909.17-116,771.49-35,753.72

Finding the Fourth Proportional to 77,909.17, 116,771.49 and 35,753.72

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Solution

The fourth proportional to 77,909.17, 116,771.49 and 35,753.72 is: 53,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,909.17 : 116,771.49 = 35,753.72 : x
  2. Step 2: Convert to fraction form
    77,909.17/116,771.49 = 35,753.72/x
  3. Step 3: Cross multiply
    77,909.17x = 116,771.49 × 35,753.72
  4. Step 4: Simplify right side
    77,909.17x = 4,175,015,157.44
  5. Step 5: Solve for x
    x = 4,175,015,157.44/77,909.17
  6. Step 6: Final answer
    x = 53,588.24

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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.