Home / 69,308.97-95,559.69-57,840.39

Finding the Fourth Proportional to 69,308.97, 95,559.69 and 57,840.39

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Solution

The fourth proportional to 69,308.97, 95,559.69 and 57,840.39 is: 79,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,308.97 : 95,559.69 = 57,840.39 : x
  2. Step 2: Convert to fraction form
    69,308.97/95,559.69 = 57,840.39/x
  3. Step 3: Cross multiply
    69,308.97x = 95,559.69 × 57,840.39
  4. Step 4: Simplify right side
    69,308.97x = 5,527,209,737.88
  5. Step 5: Solve for x
    x = 5,527,209,737.88/69,308.97
  6. Step 6: Final answer
    x = 79,747.39

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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.