Home / 42,982.11-64,462.23-16,672.50

Finding the Fourth Proportional to 42,982.11, 64,462.23 and 16,672.50

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Solution

The fourth proportional to 42,982.11, 64,462.23 and 16,672.50 is: 25,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,982.11 : 64,462.23 = 16,672.50 : x
  2. Step 2: Convert to fraction form
    42,982.11/64,462.23 = 16,672.50/x
  3. Step 3: Cross multiply
    42,982.11x = 64,462.23 × 16,672.50
  4. Step 4: Simplify right side
    42,982.11x = 1,074,746,529.68
  5. Step 5: Solve for x
    x = 1,074,746,529.68/42,982.11
  6. Step 6: Final answer
    x = 25,004.51

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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.