Home / 65,610.12-90,584.70-50,474.86

Finding the Fourth Proportional to 65,610.12, 90,584.70 and 50,474.86

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Solution

The fourth proportional to 65,610.12, 90,584.70 and 50,474.86 is: 69,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610.12 : 90,584.70 = 50,474.86 : x
  2. Step 2: Convert to fraction form
    65,610.12/90,584.70 = 50,474.86/x
  3. Step 3: Cross multiply
    65,610.12x = 90,584.70 × 50,474.86
  4. Step 4: Simplify right side
    65,610.12x = 4,572,250,050.64
  5. Step 5: Solve for x
    x = 4,572,250,050.64/65,610.12
  6. Step 6: Final answer
    x = 69,688.18

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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.