Home / 99,076.27-136,725.26-56,635.71

Finding the Fourth Proportional to 99,076.27, 136,725.26 and 56,635.71

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Solution

The fourth proportional to 99,076.27, 136,725.26 and 56,635.71 is: 78,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.27 : 136,725.26 = 56,635.71 : x
  2. Step 2: Convert to fraction form
    99,076.27/136,725.26 = 56,635.71/x
  3. Step 3: Cross multiply
    99,076.27x = 136,725.26 × 56,635.71
  4. Step 4: Simplify right side
    99,076.27x = 7,743,531,635.50
  5. Step 5: Solve for x
    x = 7,743,531,635.50/99,076.27
  6. Step 6: Final answer
    x = 78,157.28

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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.