Home / 69,108.80-103,637.16-22,349.12

Finding the Fourth Proportional to 69,108.80, 103,637.16 and 22,349.12

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Solution

The fourth proportional to 69,108.80, 103,637.16 and 22,349.12 is: 33,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108.80 : 103,637.16 = 22,349.12 : x
  2. Step 2: Convert to fraction form
    69,108.80/103,637.16 = 22,349.12/x
  3. Step 3: Cross multiply
    69,108.80x = 103,637.16 × 22,349.12
  4. Step 4: Simplify right side
    69,108.80x = 2,316,199,325.30
  5. Step 5: Solve for x
    x = 2,316,199,325.30/69,108.80
  6. Step 6: Final answer
    x = 33,515.26

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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.