Home / 42,923.30-64,367.10-16,612.88

Finding the Fourth Proportional to 42,923.30, 64,367.10 and 16,612.88

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Solution

The fourth proportional to 42,923.30, 64,367.10 and 16,612.88 is: 24,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923.30 : 64,367.10 = 16,612.88 : x
  2. Step 2: Convert to fraction form
    42,923.30/64,367.10 = 16,612.88/x
  3. Step 3: Cross multiply
    42,923.30x = 64,367.10 × 16,612.88
  4. Step 4: Simplify right side
    42,923.30x = 1,069,322,586.41
  5. Step 5: Solve for x
    x = 1,069,322,586.41/42,923.30
  6. Step 6: Final answer
    x = 24,912.41

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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.