Home / 69,040.15-95,268.49-38,820.67

Finding the Fourth Proportional to 69,040.15, 95,268.49 and 38,820.67

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Solution

The fourth proportional to 69,040.15, 95,268.49 and 38,820.67 is: 53,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,040.15 : 95,268.49 = 38,820.67 : x
  2. Step 2: Convert to fraction form
    69,040.15/95,268.49 = 38,820.67/x
  3. Step 3: Cross multiply
    69,040.15x = 95,268.49 × 38,820.67
  4. Step 4: Simplify right side
    69,040.15x = 3,698,386,611.69
  5. Step 5: Solve for x
    x = 3,698,386,611.69/69,040.15
  6. Step 6: Final answer
    x = 53,568.64

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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.