Home / 53,046.08-79,415.52-39,953.60

Finding the Fourth Proportional to 53,046.08, 79,415.52 and 39,953.60

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Solution

The fourth proportional to 53,046.08, 79,415.52 and 39,953.60 is: 59,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,046.08 : 79,415.52 = 39,953.60 : x
  2. Step 2: Convert to fraction form
    53,046.08/79,415.52 = 39,953.60/x
  3. Step 3: Cross multiply
    53,046.08x = 79,415.52 × 39,953.60
  4. Step 4: Simplify right side
    53,046.08x = 3,172,935,919.87
  5. Step 5: Solve for x
    x = 3,172,935,919.87/53,046.08
  6. Step 6: Final answer
    x = 59,814.71

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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.