Home / 69,069.38-95,315.74-39,261.38

Finding the Fourth Proportional to 69,069.38, 95,315.74 and 39,261.38

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Solution

The fourth proportional to 69,069.38, 95,315.74 and 39,261.38 is: 54,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.38 : 95,315.74 = 39,261.38 : x
  2. Step 2: Convert to fraction form
    69,069.38/95,315.74 = 39,261.38/x
  3. Step 3: Cross multiply
    69,069.38x = 95,315.74 × 39,261.38
  4. Step 4: Simplify right side
    69,069.38x = 3,742,226,913.39
  5. Step 5: Solve for x
    x = 3,742,226,913.39/69,069.38
  6. Step 6: Final answer
    x = 54,180.70

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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.