Home / 89,090.43-122,946.75-50,849.21

Finding the Fourth Proportional to 89,090.43, 122,946.75 and 50,849.21

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Solution

The fourth proportional to 89,090.43, 122,946.75 and 50,849.21 is: 70,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,090.43 : 122,946.75 = 50,849.21 : x
  2. Step 2: Convert to fraction form
    89,090.43/122,946.75 = 50,849.21/x
  3. Step 3: Cross multiply
    89,090.43x = 122,946.75 × 50,849.21
  4. Step 4: Simplify right side
    89,090.43x = 6,251,744,494.83
  5. Step 5: Solve for x
    x = 6,251,744,494.83/89,090.43
  6. Step 6: Final answer
    x = 70,173.02

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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.