Home / 52,455.08-72,388.83-28,581.75

Finding the Fourth Proportional to 52,455.08, 72,388.83 and 28,581.75

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Solution

The fourth proportional to 52,455.08, 72,388.83 and 28,581.75 is: 39,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.08 : 72,388.83 = 28,581.75 : x
  2. Step 2: Convert to fraction form
    52,455.08/72,388.83 = 28,581.75/x
  3. Step 3: Cross multiply
    52,455.08x = 72,388.83 × 28,581.75
  4. Step 4: Simplify right side
    52,455.08x = 2,068,999,441.85
  5. Step 5: Solve for x
    x = 2,068,999,441.85/52,455.08
  6. Step 6: Final answer
    x = 39,443.27

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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.