Home / 65,213.79-89,997.26-36,534.66

Finding the Fourth Proportional to 65,213.79, 89,997.26 and 36,534.66

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Solution

The fourth proportional to 65,213.79, 89,997.26 and 36,534.66 is: 50,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,213.79 : 89,997.26 = 36,534.66 : x
  2. Step 2: Convert to fraction form
    65,213.79/89,997.26 = 36,534.66/x
  3. Step 3: Cross multiply
    65,213.79x = 89,997.26 × 36,534.66
  4. Step 4: Simplify right side
    65,213.79x = 3,288,019,112.36
  5. Step 5: Solve for x
    x = 3,288,019,112.36/65,213.79
  6. Step 6: Final answer
    x = 50,419.08

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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.