Home / 69,050.98-103,577.85-21,665.07

Finding the Fourth Proportional to 69,050.98, 103,577.85 and 21,665.07

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Solution

The fourth proportional to 69,050.98, 103,577.85 and 21,665.07 is: 32,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,050.98 : 103,577.85 = 21,665.07 : x
  2. Step 2: Convert to fraction form
    69,050.98/103,577.85 = 21,665.07/x
  3. Step 3: Cross multiply
    69,050.98x = 103,577.85 × 21,665.07
  4. Step 4: Simplify right side
    69,050.98x = 2,244,021,370.70
  5. Step 5: Solve for x
    x = 2,244,021,370.70/69,050.98
  6. Step 6: Final answer
    x = 32,498.04

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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.