Home / 42,721.08-64,083.24-16,064.28

Finding the Fourth Proportional to 42,721.08, 64,083.24 and 16,064.28

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Solution

The fourth proportional to 42,721.08, 64,083.24 and 16,064.28 is: 24,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,721.08 : 64,083.24 = 16,064.28 : x
  2. Step 2: Convert to fraction form
    42,721.08/64,083.24 = 16,064.28/x
  3. Step 3: Cross multiply
    42,721.08x = 64,083.24 × 16,064.28
  4. Step 4: Simplify right side
    42,721.08x = 1,029,451,110.67
  5. Step 5: Solve for x
    x = 1,029,451,110.67/42,721.08
  6. Step 6: Final answer
    x = 24,097.03

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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.