Home / 55,108.70-76,047.89-29,958.20

Finding the Fourth Proportional to 55,108.70, 76,047.89 and 29,958.20

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Solution

The fourth proportional to 55,108.70, 76,047.89 and 29,958.20 is: 41,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.70 : 76,047.89 = 29,958.20 : x
  2. Step 2: Convert to fraction form
    55,108.70/76,047.89 = 29,958.20/x
  3. Step 3: Cross multiply
    55,108.70x = 76,047.89 × 29,958.20
  4. Step 4: Simplify right side
    55,108.70x = 2,278,257,898.20
  5. Step 5: Solve for x
    x = 2,278,257,898.20/55,108.70
  6. Step 6: Final answer
    x = 41,341.17

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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.