Home / 42,761.66-64,145.12-16,466.49

Finding the Fourth Proportional to 42,761.66, 64,145.12 and 16,466.49

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Solution

The fourth proportional to 42,761.66, 64,145.12 and 16,466.49 is: 24,700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,761.66 : 64,145.12 = 16,466.49 : x
  2. Step 2: Convert to fraction form
    42,761.66/64,145.12 = 16,466.49/x
  3. Step 3: Cross multiply
    42,761.66x = 64,145.12 × 16,466.49
  4. Step 4: Simplify right side
    42,761.66x = 1,056,244,894.70
  5. Step 5: Solve for x
    x = 1,056,244,894.70/42,761.66
  6. Step 6: Final answer
    x = 24,700.75

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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.