Home / 64,582.92-89,132.40-36,288

Finding the Fourth Proportional to 64,582.92, 89,132.40 and 36,288

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Solution

The fourth proportional to 64,582.92, 89,132.40 and 36,288 is: 50,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,582.92 : 89,132.40 = 36,288 : x
  2. Step 2: Convert to fraction form
    64,582.92/89,132.40 = 36,288/x
  3. Step 3: Cross multiply
    64,582.92x = 89,132.40 × 36,288
  4. Step 4: Simplify right side
    64,582.92x = 3,234,436,531.20
  5. Step 5: Solve for x
    x = 3,234,436,531.20/64,582.92
  6. Step 6: Final answer
    x = 50,081.92

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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.