Home / 50,929.92-70,279.68-28,577.28

Finding the Fourth Proportional to 50,929.92, 70,279.68 and 28,577.28

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Solution

The fourth proportional to 50,929.92, 70,279.68 and 28,577.28 is: 39,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,929.92 : 70,279.68 = 28,577.28 : x
  2. Step 2: Convert to fraction form
    50,929.92/70,279.68 = 28,577.28/x
  3. Step 3: Cross multiply
    50,929.92x = 70,279.68 × 28,577.28
  4. Step 4: Simplify right side
    50,929.92x = 2,008,402,093.67
  5. Step 5: Solve for x
    x = 2,008,402,093.67/50,929.92
  6. Step 6: Final answer
    x = 39,434.62

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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.