Home / 53,744.23-80,616.32-18,683.88

Finding the Fourth Proportional to 53,744.23, 80,616.32 and 18,683.88

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Solution

The fourth proportional to 53,744.23, 80,616.32 and 18,683.88 is: 28,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,744.23 : 80,616.32 = 18,683.88 : x
  2. Step 2: Convert to fraction form
    53,744.23/80,616.32 = 18,683.88/x
  3. Step 3: Cross multiply
    53,744.23x = 80,616.32 × 18,683.88
  4. Step 4: Simplify right side
    53,744.23x = 1,506,225,648.92
  5. Step 5: Solve for x
    x = 1,506,225,648.92/53,744.23
  6. Step 6: Final answer
    x = 28,025.81

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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.