Home / 42,776.30-64,119.08-16,469.66

Finding the Fourth Proportional to 42,776.30, 64,119.08 and 16,469.66

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Solution

The fourth proportional to 42,776.30, 64,119.08 and 16,469.66 is: 24,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,776.30 : 64,119.08 = 16,469.66 : x
  2. Step 2: Convert to fraction form
    42,776.30/64,119.08 = 16,469.66/x
  3. Step 3: Cross multiply
    42,776.30x = 64,119.08 × 16,469.66
  4. Step 4: Simplify right side
    42,776.30x = 1,056,019,447.11
  5. Step 5: Solve for x
    x = 1,056,019,447.11/42,776.30
  6. Step 6: Final answer
    x = 24,687.02

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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.