Home / 48,920.85-73,345.41-15,621.72

Finding the Fourth Proportional to 48,920.85, 73,345.41 and 15,621.72

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Solution

The fourth proportional to 48,920.85, 73,345.41 and 15,621.72 is: 23,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,920.85 : 73,345.41 = 15,621.72 : x
  2. Step 2: Convert to fraction form
    48,920.85/73,345.41 = 15,621.72/x
  3. Step 3: Cross multiply
    48,920.85x = 73,345.41 × 15,621.72
  4. Step 4: Simplify right side
    48,920.85x = 1,145,781,458.31
  5. Step 5: Solve for x
    x = 1,145,781,458.31/48,920.85
  6. Step 6: Final answer
    x = 23,421.13

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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.