Home / 50,911.52-70,266.29-28,257.82

Finding the Fourth Proportional to 50,911.52, 70,266.29 and 28,257.82

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Solution

The fourth proportional to 50,911.52, 70,266.29 and 28,257.82 is: 39,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,911.52 : 70,266.29 = 28,257.82 : x
  2. Step 2: Convert to fraction form
    50,911.52/70,266.29 = 28,257.82/x
  3. Step 3: Cross multiply
    50,911.52x = 70,266.29 × 28,257.82
  4. Step 4: Simplify right side
    50,911.52x = 1,985,571,857.93
  5. Step 5: Solve for x
    x = 1,985,571,857.93/50,911.52
  6. Step 6: Final answer
    x = 39,000.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.