Home / 48,909.12-73,336.11-15,621.36

Finding the Fourth Proportional to 48,909.12, 73,336.11 and 15,621.36

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Solution

The fourth proportional to 48,909.12, 73,336.11 and 15,621.36 is: 23,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,909.12 : 73,336.11 = 15,621.36 : x
  2. Step 2: Convert to fraction form
    48,909.12/73,336.11 = 15,621.36/x
  3. Step 3: Cross multiply
    48,909.12x = 73,336.11 × 15,621.36
  4. Step 4: Simplify right side
    48,909.12x = 1,145,609,775.31
  5. Step 5: Solve for x
    x = 1,145,609,775.31/48,909.12
  6. Step 6: Final answer
    x = 23,423.23

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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.