Home / 109,432.92-164,120.16-30,533.28

Finding the Fourth Proportional to 109,432.92, 164,120.16 and 30,533.28

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Solution

The fourth proportional to 109,432.92, 164,120.16 and 30,533.28 is: 45,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,432.92 : 164,120.16 = 30,533.28 : x
  2. Step 2: Convert to fraction form
    109,432.92/164,120.16 = 30,533.28/x
  3. Step 3: Cross multiply
    109,432.92x = 164,120.16 × 30,533.28
  4. Step 4: Simplify right side
    109,432.92x = 5,011,126,798.92
  5. Step 5: Solve for x
    x = 5,011,126,798.92/109,432.92
  6. Step 6: Final answer
    x = 45,791.77

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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.