Home / 53,837.10-80,658.45-47,616.30

Finding the Fourth Proportional to 53,837.10, 80,658.45 and 47,616.30

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Solution

The fourth proportional to 53,837.10, 80,658.45 and 47,616.30 is: 71,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,837.10 : 80,658.45 = 47,616.30 : x
  2. Step 2: Convert to fraction form
    53,837.10/80,658.45 = 47,616.30/x
  3. Step 3: Cross multiply
    53,837.10x = 80,658.45 × 47,616.30
  4. Step 4: Simplify right side
    53,837.10x = 3,840,656,952.74
  5. Step 5: Solve for x
    x = 3,840,656,952.74/53,837.10
  6. Step 6: Final answer
    x = 71,338.48

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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.