Home / 109,641.26-164,433.08-47,297.90

Finding the Fourth Proportional to 109,641.26, 164,433.08 and 47,297.90

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Solution

The fourth proportional to 109,641.26, 164,433.08 and 47,297.90 is: 70,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,641.26 : 164,433.08 = 47,297.90 : x
  2. Step 2: Convert to fraction form
    109,641.26/164,433.08 = 47,297.90/x
  3. Step 3: Cross multiply
    109,641.26x = 164,433.08 × 47,297.90
  4. Step 4: Simplify right side
    109,641.26x = 7,777,339,374.53
  5. Step 5: Solve for x
    x = 7,777,339,374.53/109,641.26
  6. Step 6: Final answer
    x = 70,934.42

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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.