Home / 57,653.91-86,068.71-53,542.35

Finding the Fourth Proportional to 57,653.91, 86,068.71 and 53,542.35

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Solution

The fourth proportional to 57,653.91, 86,068.71 and 53,542.35 is: 79,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,653.91 : 86,068.71 = 53,542.35 : x
  2. Step 2: Convert to fraction form
    57,653.91/86,068.71 = 53,542.35/x
  3. Step 3: Cross multiply
    57,653.91x = 86,068.71 × 53,542.35
  4. Step 4: Simplify right side
    57,653.91x = 4,608,320,994.87
  5. Step 5: Solve for x
    x = 4,608,320,994.87/57,653.91
  6. Step 6: Final answer
    x = 79,930.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.