Home / 75,132.48-103,682.16-43,300.68

Finding the Fourth Proportional to 75,132.48, 103,682.16 and 43,300.68

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Solution

The fourth proportional to 75,132.48, 103,682.16 and 43,300.68 is: 59,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.48 : 103,682.16 = 43,300.68 : x
  2. Step 2: Convert to fraction form
    75,132.48/103,682.16 = 43,300.68/x
  3. Step 3: Cross multiply
    75,132.48x = 103,682.16 × 43,300.68
  4. Step 4: Simplify right side
    75,132.48x = 4,489,508,031.87
  5. Step 5: Solve for x
    x = 4,489,508,031.87/75,132.48
  6. Step 6: Final answer
    x = 59,754.56

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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.