Home / 65,608.32-90,553.44-40,119.36

Finding the Fourth Proportional to 65,608.32, 90,553.44 and 40,119.36

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Solution

The fourth proportional to 65,608.32, 90,553.44 and 40,119.36 is: 55,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,608.32 : 90,553.44 = 40,119.36 : x
  2. Step 2: Convert to fraction form
    65,608.32/90,553.44 = 40,119.36/x
  3. Step 3: Cross multiply
    65,608.32x = 90,553.44 × 40,119.36
  4. Step 4: Simplify right side
    65,608.32x = 3,632,946,058.60
  5. Step 5: Solve for x
    x = 3,632,946,058.60/65,608.32
  6. Step 6: Final answer
    x = 55,373.25

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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.