Home / 55,108.20-76,047.20-29,957.70

Finding the Fourth Proportional to 55,108.20, 76,047.20 and 29,957.70

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Solution

The fourth proportional to 55,108.20, 76,047.20 and 29,957.70 is: 41,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.20 : 76,047.20 = 29,957.70 : x
  2. Step 2: Convert to fraction form
    55,108.20/76,047.20 = 29,957.70/x
  3. Step 3: Cross multiply
    55,108.20x = 76,047.20 × 29,957.70
  4. Step 4: Simplify right side
    55,108.20x = 2,278,199,203.44
  5. Step 5: Solve for x
    x = 2,278,199,203.44/55,108.20
  6. Step 6: Final answer
    x = 41,340.48

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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.