Home / 80,809.05-121,157.22-35,805.93

Finding the Fourth Proportional to 80,809.05, 121,157.22 and 35,805.93

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Solution

The fourth proportional to 80,809.05, 121,157.22 and 35,805.93 is: 53,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,809.05 : 121,157.22 = 35,805.93 : x
  2. Step 2: Convert to fraction form
    80,809.05/121,157.22 = 35,805.93/x
  3. Step 3: Cross multiply
    80,809.05x = 121,157.22 × 35,805.93
  4. Step 4: Simplify right side
    80,809.05x = 4,338,146,938.31
  5. Step 5: Solve for x
    x = 4,338,146,938.31/80,809.05
  6. Step 6: Final answer
    x = 53,683.92

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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.