Home / 65,505.35-90,305.85-55,393.22

Finding the Fourth Proportional to 65,505.35, 90,305.85 and 55,393.22

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Solution

The fourth proportional to 65,505.35, 90,305.85 and 55,393.22 is: 76,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,505.35 : 90,305.85 = 55,393.22 : x
  2. Step 2: Convert to fraction form
    65,505.35/90,305.85 = 55,393.22/x
  3. Step 3: Cross multiply
    65,505.35x = 90,305.85 × 55,393.22
  4. Step 4: Simplify right side
    65,505.35x = 5,002,331,816.34
  5. Step 5: Solve for x
    x = 5,002,331,816.34/65,505.35
  6. Step 6: Final answer
    x = 76,365.24

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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.