Home / 77,193.92-106,520.24-43,200.68

Finding the Fourth Proportional to 77,193.92, 106,520.24 and 43,200.68

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Solution

The fourth proportional to 77,193.92, 106,520.24 and 43,200.68 is: 59,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,193.92 : 106,520.24 = 43,200.68 : x
  2. Step 2: Convert to fraction form
    77,193.92/106,520.24 = 43,200.68/x
  3. Step 3: Cross multiply
    77,193.92x = 106,520.24 × 43,200.68
  4. Step 4: Simplify right side
    77,193.92x = 4,601,746,801.76
  5. Step 5: Solve for x
    x = 4,601,746,801.76/77,193.92
  6. Step 6: Final answer
    x = 59,612.81

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1.5x scale

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.