Home / 65,189.15-89,945.61-36,894.84

Finding the Fourth Proportional to 65,189.15, 89,945.61 and 36,894.84

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Solution

The fourth proportional to 65,189.15, 89,945.61 and 36,894.84 is: 50,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,189.15 : 89,945.61 = 36,894.84 : x
  2. Step 2: Convert to fraction form
    65,189.15/89,945.61 = 36,894.84/x
  3. Step 3: Cross multiply
    65,189.15x = 89,945.61 × 36,894.84
  4. Step 4: Simplify right side
    65,189.15x = 3,318,529,231.24
  5. Step 5: Solve for x
    x = 3,318,529,231.24/65,189.15
  6. Step 6: Final answer
    x = 50,906.16

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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.