Home / 69,069.59-103,594.11-19,144.47

Finding the Fourth Proportional to 69,069.59, 103,594.11 and 19,144.47

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Solution

The fourth proportional to 69,069.59, 103,594.11 and 19,144.47 is: 28,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.59 : 103,594.11 = 19,144.47 : x
  2. Step 2: Convert to fraction form
    69,069.59/103,594.11 = 19,144.47/x
  3. Step 3: Cross multiply
    69,069.59x = 103,594.11 × 19,144.47
  4. Step 4: Simplify right side
    69,069.59x = 1,983,254,331.07
  5. Step 5: Solve for x
    x = 1,983,254,331.07/69,069.59
  6. Step 6: Final answer
    x = 28,713.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.