Home / 65,335.98-90,214.44-50,204.79

Finding the Fourth Proportional to 65,335.98, 90,214.44 and 50,204.79

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Solution

The fourth proportional to 65,335.98, 90,214.44 and 50,204.79 is: 69,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,335.98 : 90,214.44 = 50,204.79 : x
  2. Step 2: Convert to fraction form
    65,335.98/90,214.44 = 50,204.79/x
  3. Step 3: Cross multiply
    65,335.98x = 90,214.44 × 50,204.79
  4. Step 4: Simplify right side
    65,335.98x = 4,529,197,015.17
  5. Step 5: Solve for x
    x = 4,529,197,015.17/65,335.98
  6. Step 6: Final answer
    x = 69,321.64

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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.