Home / 65,255.88-90,003.24-56,196.93

Finding the Fourth Proportional to 65,255.88, 90,003.24 and 56,196.93

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Solution

The fourth proportional to 65,255.88, 90,003.24 and 56,196.93 is: 77,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,255.88 : 90,003.24 = 56,196.93 : x
  2. Step 2: Convert to fraction form
    65,255.88/90,003.24 = 56,196.93/x
  3. Step 3: Cross multiply
    65,255.88x = 90,003.24 × 56,196.93
  4. Step 4: Simplify right side
    65,255.88x = 5,057,905,778.05
  5. Step 5: Solve for x
    x = 5,057,905,778.05/65,255.88
  6. Step 6: Final answer
    x = 77,508.81

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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.