Home / 86,157.05-118,874.25-50,326.70

Finding the Fourth Proportional to 86,157.05, 118,874.25 and 50,326.70

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Solution

The fourth proportional to 86,157.05, 118,874.25 and 50,326.70 is: 69,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,157.05 : 118,874.25 = 50,326.70 : x
  2. Step 2: Convert to fraction form
    86,157.05/118,874.25 = 50,326.70/x
  3. Step 3: Cross multiply
    86,157.05x = 118,874.25 × 50,326.70
  4. Step 4: Simplify right side
    86,157.05x = 5,982,548,123.10
  5. Step 5: Solve for x
    x = 5,982,548,123.10/86,157.05
  6. Step 6: Final answer
    x = 69,437.71

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1.5x scale

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.