Home / 43,269.26-64,907.85-12,104.42

Finding the Fourth Proportional to 43,269.26, 64,907.85 and 12,104.42

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Solution

The fourth proportional to 43,269.26, 64,907.85 and 12,104.42 is: 18,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269.26 : 64,907.85 = 12,104.42 : x
  2. Step 2: Convert to fraction form
    43,269.26/64,907.85 = 12,104.42/x
  3. Step 3: Cross multiply
    43,269.26x = 64,907.85 × 12,104.42
  4. Step 4: Simplify right side
    43,269.26x = 785,671,877.70
  5. Step 5: Solve for x
    x = 785,671,877.70/43,269.26
  6. Step 6: Final answer
    x = 18,157.74

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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.