Home / 53,913.42-80,842.52-28,974.47

Finding the Fourth Proportional to 53,913.42, 80,842.52 and 28,974.47

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Solution

The fourth proportional to 53,913.42, 80,842.52 and 28,974.47 is: 43,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.42 : 80,842.52 = 28,974.47 : x
  2. Step 2: Convert to fraction form
    53,913.42/80,842.52 = 28,974.47/x
  3. Step 3: Cross multiply
    53,913.42x = 80,842.52 × 28,974.47
  4. Step 4: Simplify right side
    53,913.42x = 2,342,368,621.38
  5. Step 5: Solve for x
    x = 2,342,368,621.38/53,913.42
  6. Step 6: Final answer
    x = 43,446.86

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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.