Home / 53,108.76-73,288.20-29,233.20

Finding the Fourth Proportional to 53,108.76, 73,288.20 and 29,233.20

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Solution

The fourth proportional to 53,108.76, 73,288.20 and 29,233.20 is: 40,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.76 : 73,288.20 = 29,233.20 : x
  2. Step 2: Convert to fraction form
    53,108.76/73,288.20 = 29,233.20/x
  3. Step 3: Cross multiply
    53,108.76x = 73,288.20 × 29,233.20
  4. Step 4: Simplify right side
    53,108.76x = 2,142,448,608.24
  5. Step 5: Solve for x
    x = 2,142,448,608.24/53,108.76
  6. Step 6: Final answer
    x = 40,340.78

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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.