Home / 53,700.55-80,519.95-22,132.40

Finding the Fourth Proportional to 53,700.55, 80,519.95 and 22,132.40

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Solution

The fourth proportional to 53,700.55, 80,519.95 and 22,132.40 is: 33,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,700.55 : 80,519.95 = 22,132.40 : x
  2. Step 2: Convert to fraction form
    53,700.55/80,519.95 = 22,132.40/x
  3. Step 3: Cross multiply
    53,700.55x = 80,519.95 × 22,132.40
  4. Step 4: Simplify right side
    53,700.55x = 1,782,099,741.38
  5. Step 5: Solve for x
    x = 1,782,099,741.38/53,700.55
  6. Step 6: Final answer
    x = 33,185.88

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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.