Home / 69,219.06-103,828.59-39,616.26

Finding the Fourth Proportional to 69,219.06, 103,828.59 and 39,616.26

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Solution

The fourth proportional to 69,219.06, 103,828.59 and 39,616.26 is: 59,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,219.06 : 103,828.59 = 39,616.26 : x
  2. Step 2: Convert to fraction form
    69,219.06/103,828.59 = 39,616.26/x
  3. Step 3: Cross multiply
    69,219.06x = 103,828.59 × 39,616.26
  4. Step 4: Simplify right side
    69,219.06x = 4,113,300,416.87
  5. Step 5: Solve for x
    x = 4,113,300,416.87/69,219.06
  6. Step 6: Final answer
    x = 59,424.39

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Similar ratio
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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.