Home / 53,838.53-80,668.94-31,285.91

Finding the Fourth Proportional to 53,838.53, 80,668.94 and 31,285.91

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Solution

The fourth proportional to 53,838.53, 80,668.94 and 31,285.91 is: 46,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,838.53 : 80,668.94 = 31,285.91 : x
  2. Step 2: Convert to fraction form
    53,838.53/80,668.94 = 31,285.91/x
  3. Step 3: Cross multiply
    53,838.53x = 80,668.94 × 31,285.91
  4. Step 4: Simplify right side
    53,838.53x = 2,523,800,636.86
  5. Step 5: Solve for x
    x = 2,523,800,636.86/53,838.53
  6. Step 6: Final answer
    x = 46,877.22

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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.