Home / 100,577.10-150,865.65-30,456.41

Finding the Fourth Proportional to 100,577.10, 150,865.65 and 30,456.41

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Solution

The fourth proportional to 100,577.10, 150,865.65 and 30,456.41 is: 45,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,577.10 : 150,865.65 = 30,456.41 : x
  2. Step 2: Convert to fraction form
    100,577.10/150,865.65 = 30,456.41/x
  3. Step 3: Cross multiply
    100,577.10x = 150,865.65 × 30,456.41
  4. Step 4: Simplify right side
    100,577.10x = 4,594,826,468.48
  5. Step 5: Solve for x
    x = 4,594,826,468.48/100,577.10
  6. Step 6: Final answer
    x = 45,684.62

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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.