Home / 61,889.75-92,819.69-28,577.79

Finding the Fourth Proportional to 61,889.75, 92,819.69 and 28,577.79

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Solution

The fourth proportional to 61,889.75, 92,819.69 and 28,577.79 is: 42,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,889.75 : 92,819.69 = 28,577.79 : x
  2. Step 2: Convert to fraction form
    61,889.75/92,819.69 = 28,577.79/x
  3. Step 3: Cross multiply
    61,889.75x = 92,819.69 × 28,577.79
  4. Step 4: Simplify right side
    61,889.75x = 2,652,581,465.80
  5. Step 5: Solve for x
    x = 2,652,581,465.80/61,889.75
  6. Step 6: Final answer
    x = 42,859.79

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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.