Home / 42,775.26-64,138.26-16,476.57

Finding the Fourth Proportional to 42,775.26, 64,138.26 and 16,476.57

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Solution

The fourth proportional to 42,775.26, 64,138.26 and 16,476.57 is: 24,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775.26 : 64,138.26 = 16,476.57 : x
  2. Step 2: Convert to fraction form
    42,775.26/64,138.26 = 16,476.57/x
  3. Step 3: Cross multiply
    42,775.26x = 64,138.26 × 16,476.57
  4. Step 4: Simplify right side
    42,775.26x = 1,056,778,530.57
  5. Step 5: Solve for x
    x = 1,056,778,530.57/42,775.26
  6. Step 6: Final answer
    x = 24,705.37

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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.