Home / 34,090.80-51,139.08-10,723.92

Finding the Fourth Proportional to 34,090.80, 51,139.08 and 10,723.92

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Solution

The fourth proportional to 34,090.80, 51,139.08 and 10,723.92 is: 16,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,090.80 : 51,139.08 = 10,723.92 : x
  2. Step 2: Convert to fraction form
    34,090.80/51,139.08 = 10,723.92/x
  3. Step 3: Cross multiply
    34,090.80x = 51,139.08 × 10,723.92
  4. Step 4: Simplify right side
    34,090.80x = 548,411,402.79
  5. Step 5: Solve for x
    x = 548,411,402.79/34,090.80
  6. Step 6: Final answer
    x = 16,086.79

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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.