Home / 53,720.55-80,552.97-28,433.77

Finding the Fourth Proportional to 53,720.55, 80,552.97 and 28,433.77

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Solution

The fourth proportional to 53,720.55, 80,552.97 and 28,433.77 is: 42,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.55 : 80,552.97 = 28,433.77 : x
  2. Step 2: Convert to fraction form
    53,720.55/80,552.97 = 28,433.77/x
  3. Step 3: Cross multiply
    53,720.55x = 80,552.97 × 28,433.77
  4. Step 4: Simplify right side
    53,720.55x = 2,290,424,219.03
  5. Step 5: Solve for x
    x = 2,290,424,219.03/53,720.55
  6. Step 6: Final answer
    x = 42,635.91

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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.