Home / 42,669.99-64,013.24-16,372.68

Finding the Fourth Proportional to 42,669.99, 64,013.24 and 16,372.68

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Solution

The fourth proportional to 42,669.99, 64,013.24 and 16,372.68 is: 24,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,669.99 : 64,013.24 = 16,372.68 : x
  2. Step 2: Convert to fraction form
    42,669.99/64,013.24 = 16,372.68/x
  3. Step 3: Cross multiply
    42,669.99x = 64,013.24 × 16,372.68
  4. Step 4: Simplify right side
    42,669.99x = 1,048,068,212.42
  5. Step 5: Solve for x
    x = 1,048,068,212.42/42,669.99
  6. Step 6: Final answer
    x = 24,562.19

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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.