Home / 65,385.36-90,059.92-50,249.06

Finding the Fourth Proportional to 65,385.36, 90,059.92 and 50,249.06

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Solution

The fourth proportional to 65,385.36, 90,059.92 and 50,249.06 is: 69,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,385.36 : 90,059.92 = 50,249.06 : x
  2. Step 2: Convert to fraction form
    65,385.36/90,059.92 = 50,249.06/x
  3. Step 3: Cross multiply
    65,385.36x = 90,059.92 × 50,249.06
  4. Step 4: Simplify right side
    65,385.36x = 4,525,426,085.48
  5. Step 5: Solve for x
    x = 4,525,426,085.48/65,385.36
  6. Step 6: Final answer
    x = 69,211.61

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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.