Home / 60,405.20-90,594.84-18,829.52

Finding the Fourth Proportional to 60,405.20, 90,594.84 and 18,829.52

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Solution

The fourth proportional to 60,405.20, 90,594.84 and 18,829.52 is: 28,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,405.20 : 90,594.84 = 18,829.52 : x
  2. Step 2: Convert to fraction form
    60,405.20/90,594.84 = 18,829.52/x
  3. Step 3: Cross multiply
    60,405.20x = 90,594.84 × 18,829.52
  4. Step 4: Simplify right side
    60,405.20x = 1,705,857,351.68
  5. Step 5: Solve for x
    x = 1,705,857,351.68/60,405.20
  6. Step 6: Final answer
    x = 28,240.24

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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.