Home / 87,341.88-120,497.58-53,749.56

Finding the Fourth Proportional to 87,341.88, 120,497.58 and 53,749.56

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Solution

The fourth proportional to 87,341.88, 120,497.58 and 53,749.56 is: 74,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,341.88 : 120,497.58 = 53,749.56 : x
  2. Step 2: Convert to fraction form
    87,341.88/120,497.58 = 53,749.56/x
  3. Step 3: Cross multiply
    87,341.88x = 120,497.58 × 53,749.56
  4. Step 4: Simplify right side
    87,341.88x = 6,476,691,906.06
  5. Step 5: Solve for x
    x = 6,476,691,906.06/87,341.88
  6. Step 6: Final answer
    x = 74,153.34

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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.