Home / 69,160.20-103,573.99-39,488.10

Finding the Fourth Proportional to 69,160.20, 103,573.99 and 39,488.10

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Solution

The fourth proportional to 69,160.20, 103,573.99 and 39,488.10 is: 59,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,160.20 : 103,573.99 = 39,488.10 : x
  2. Step 2: Convert to fraction form
    69,160.20/103,573.99 = 39,488.10/x
  3. Step 3: Cross multiply
    69,160.20x = 103,573.99 × 39,488.10
  4. Step 4: Simplify right side
    69,160.20x = 4,089,940,074.52
  5. Step 5: Solve for x
    x = 4,089,940,074.52/69,160.20
  6. Step 6: Final answer
    x = 59,137.19

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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.