Home / 65,215.48-89,997.12-36,923.80

Finding the Fourth Proportional to 65,215.48, 89,997.12 and 36,923.80

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Solution

The fourth proportional to 65,215.48, 89,997.12 and 36,923.80 is: 50,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,215.48 : 89,997.12 = 36,923.80 : x
  2. Step 2: Convert to fraction form
    65,215.48/89,997.12 = 36,923.80/x
  3. Step 3: Cross multiply
    65,215.48x = 89,997.12 × 36,923.80
  4. Step 4: Simplify right side
    65,215.48x = 3,323,035,659.46
  5. Step 5: Solve for x
    x = 3,323,035,659.46/65,215.48
  6. Step 6: Final answer
    x = 50,954.71

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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.