Home / 75,402.35-104,031.91-43,559.63

Finding the Fourth Proportional to 75,402.35, 104,031.91 and 43,559.63

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Solution

The fourth proportional to 75,402.35, 104,031.91 and 43,559.63 is: 60,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,402.35 : 104,031.91 = 43,559.63 : x
  2. Step 2: Convert to fraction form
    75,402.35/104,031.91 = 43,559.63/x
  3. Step 3: Cross multiply
    75,402.35x = 104,031.91 × 43,559.63
  4. Step 4: Simplify right side
    75,402.35x = 4,531,591,507.79
  5. Step 5: Solve for x
    x = 4,531,591,507.79/75,402.35
  6. Step 6: Final answer
    x = 60,098.81

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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.