Home / 103,832.52-155,748.78-28,949.64

Finding the Fourth Proportional to 103,832.52, 155,748.78 and 28,949.64

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Solution

The fourth proportional to 103,832.52, 155,748.78 and 28,949.64 is: 43,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,832.52 : 155,748.78 = 28,949.64 : x
  2. Step 2: Convert to fraction form
    103,832.52/155,748.78 = 28,949.64/x
  3. Step 3: Cross multiply
    103,832.52x = 155,748.78 × 28,949.64
  4. Step 4: Simplify right side
    103,832.52x = 4,508,871,111.44
  5. Step 5: Solve for x
    x = 4,508,871,111.44/103,832.52
  6. Step 6: Final answer
    x = 43,424.46

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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.