Home / 72,738.52-109,107.78-22,826.32

Finding the Fourth Proportional to 72,738.52, 109,107.78 and 22,826.32

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Solution

The fourth proportional to 72,738.52, 109,107.78 and 22,826.32 is: 34,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,738.52 : 109,107.78 = 22,826.32 : x
  2. Step 2: Convert to fraction form
    72,738.52/109,107.78 = 22,826.32/x
  3. Step 3: Cross multiply
    72,738.52x = 109,107.78 × 22,826.32
  4. Step 4: Simplify right side
    72,738.52x = 2,490,529,100.77
  5. Step 5: Solve for x
    x = 2,490,529,100.77/72,738.52
  6. Step 6: Final answer
    x = 34,239.48

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1.5x scale

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.