Home / 69,438.24-95,830.67-39,229.10

Finding the Fourth Proportional to 69,438.24, 95,830.67 and 39,229.10

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Solution

The fourth proportional to 69,438.24, 95,830.67 and 39,229.10 is: 54,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.24 : 95,830.67 = 39,229.10 : x
  2. Step 2: Convert to fraction form
    69,438.24/95,830.67 = 39,229.10/x
  3. Step 3: Cross multiply
    69,438.24x = 95,830.67 × 39,229.10
  4. Step 4: Simplify right side
    69,438.24x = 3,759,350,936.50
  5. Step 5: Solve for x
    x = 3,759,350,936.50/69,438.24
  6. Step 6: Final answer
    x = 54,139.49

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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.