Home / 42,943.29-64,434.10-16,650.08

Finding the Fourth Proportional to 42,943.29, 64,434.10 and 16,650.08

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Solution

The fourth proportional to 42,943.29, 64,434.10 and 16,650.08 is: 24,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,943.29 : 64,434.10 = 16,650.08 : x
  2. Step 2: Convert to fraction form
    42,943.29/64,434.10 = 16,650.08/x
  3. Step 3: Cross multiply
    42,943.29x = 64,434.10 × 16,650.08
  4. Step 4: Simplify right side
    42,943.29x = 1,072,832,919.73
  5. Step 5: Solve for x
    x = 1,072,832,919.73/42,943.29
  6. Step 6: Final answer
    x = 24,982.55

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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.