Home / 64,571.45-89,126.19-41,909.12

Finding the Fourth Proportional to 64,571.45, 89,126.19 and 41,909.12

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Solution

The fourth proportional to 64,571.45, 89,126.19 and 41,909.12 is: 57,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,571.45 : 89,126.19 = 41,909.12 : x
  2. Step 2: Convert to fraction form
    64,571.45/89,126.19 = 41,909.12/x
  3. Step 3: Cross multiply
    64,571.45x = 89,126.19 × 41,909.12
  4. Step 4: Simplify right side
    64,571.45x = 3,735,200,191.85
  5. Step 5: Solve for x
    x = 3,735,200,191.85/64,571.45
  6. Step 6: Final answer
    x = 57,846.00

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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.