Home / 52,578.09-72,558.86-28,705.77

Finding the Fourth Proportional to 52,578.09, 72,558.86 and 28,705.77

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Solution

The fourth proportional to 52,578.09, 72,558.86 and 28,705.77 is: 39,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,578.09 : 72,558.86 = 28,705.77 : x
  2. Step 2: Convert to fraction form
    52,578.09/72,558.86 = 28,705.77/x
  3. Step 3: Cross multiply
    52,578.09x = 72,558.86 × 28,705.77
  4. Step 4: Simplify right side
    52,578.09x = 2,082,857,946.62
  5. Step 5: Solve for x
    x = 2,082,857,946.62/52,578.09
  6. Step 6: Final answer
    x = 39,614.56

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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.