Home / 69,209.04-103,828.16-22,458.28

Finding the Fourth Proportional to 69,209.04, 103,828.16 and 22,458.28

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Solution

The fourth proportional to 69,209.04, 103,828.16 and 22,458.28 is: 33,692.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,209.04 : 103,828.16 = 22,458.28 : x
  2. Step 2: Convert to fraction form
    69,209.04/103,828.16 = 22,458.28/x
  3. Step 3: Cross multiply
    69,209.04x = 103,828.16 × 22,458.28
  4. Step 4: Simplify right side
    69,209.04x = 2,331,801,889.16
  5. Step 5: Solve for x
    x = 2,331,801,889.16/69,209.04
  6. Step 6: Final answer
    x = 33,692.16

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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.