Home / 69,021.84-103,515.66-29,574.48

Finding the Fourth Proportional to 69,021.84, 103,515.66 and 29,574.48

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Solution

The fourth proportional to 69,021.84, 103,515.66 and 29,574.48 is: 44,354.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.84 : 103,515.66 = 29,574.48 : x
  2. Step 2: Convert to fraction form
    69,021.84/103,515.66 = 29,574.48/x
  3. Step 3: Cross multiply
    69,021.84x = 103,515.66 × 29,574.48
  4. Step 4: Simplify right side
    69,021.84x = 3,061,421,816.36
  5. Step 5: Solve for x
    x = 3,061,421,816.36/69,021.84
  6. Step 6: Final answer
    x = 44,354.39

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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.