Home / 69,069.56-103,211.15-51,860.25

Finding the Fourth Proportional to 69,069.56, 103,211.15 and 51,860.25

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Solution

The fourth proportional to 69,069.56, 103,211.15 and 51,860.25 is: 77,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,069.56 : 103,211.15 = 51,860.25 : x
  2. Step 2: Convert to fraction form
    69,069.56/103,211.15 = 51,860.25/x
  3. Step 3: Cross multiply
    69,069.56x = 103,211.15 × 51,860.25
  4. Step 4: Simplify right side
    69,069.56x = 5,352,556,171.44
  5. Step 5: Solve for x
    x = 5,352,556,171.44/69,069.56
  6. Step 6: Final answer
    x = 77,495.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.