Home / 64,819.92-89,445.24-47,833.56

Finding the Fourth Proportional to 64,819.92, 89,445.24 and 47,833.56

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Solution

The fourth proportional to 64,819.92, 89,445.24 and 47,833.56 is: 66,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,819.92 : 89,445.24 = 47,833.56 : x
  2. Step 2: Convert to fraction form
    64,819.92/89,445.24 = 47,833.56/x
  3. Step 3: Cross multiply
    64,819.92x = 89,445.24 × 47,833.56
  4. Step 4: Simplify right side
    64,819.92x = 4,278,484,254.25
  5. Step 5: Solve for x
    x = 4,278,484,254.25/64,819.92
  6. Step 6: Final answer
    x = 66,005.70

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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.