Home / 53,641.73-80,462.67-18,581.39

Finding the Fourth Proportional to 53,641.73, 80,462.67 and 18,581.39

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Solution

The fourth proportional to 53,641.73, 80,462.67 and 18,581.39 is: 27,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,641.73 : 80,462.67 = 18,581.39 : x
  2. Step 2: Convert to fraction form
    53,641.73/80,462.67 = 18,581.39/x
  3. Step 3: Cross multiply
    53,641.73x = 80,462.67 × 18,581.39
  4. Step 4: Simplify right side
    53,641.73x = 1,495,107,756.49
  5. Step 5: Solve for x
    x = 1,495,107,756.49/53,641.73
  6. Step 6: Final answer
    x = 27,872.10

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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.