Home / 42,912.96-64,286.40-24,135.94

Finding the Fourth Proportional to 42,912.96, 64,286.40 and 24,135.94

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Solution

The fourth proportional to 42,912.96, 64,286.40 and 24,135.94 is: 36,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912.96 : 64,286.40 = 24,135.94 : x
  2. Step 2: Convert to fraction form
    42,912.96/64,286.40 = 24,135.94/x
  3. Step 3: Cross multiply
    42,912.96x = 64,286.40 × 24,135.94
  4. Step 4: Simplify right side
    42,912.96x = 1,551,612,864.08
  5. Step 5: Solve for x
    x = 1,551,612,864.08/42,912.96
  6. Step 6: Final answer
    x = 36,157.21

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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.