Home / 65,190.92-89,824.56-43,933.28

Finding the Fourth Proportional to 65,190.92, 89,824.56 and 43,933.28

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Solution

The fourth proportional to 65,190.92, 89,824.56 and 43,933.28 is: 60,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190.92 : 89,824.56 = 43,933.28 : x
  2. Step 2: Convert to fraction form
    65,190.92/89,824.56 = 43,933.28/x
  3. Step 3: Cross multiply
    65,190.92x = 89,824.56 × 43,933.28
  4. Step 4: Simplify right side
    65,190.92x = 3,946,287,545.36
  5. Step 5: Solve for x
    x = 3,946,287,545.36/65,190.92
  6. Step 6: Final answer
    x = 60,534.31

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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.