Home / 42,576.50-63,921.27-36,376.34

Finding the Fourth Proportional to 42,576.50, 63,921.27 and 36,376.34

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Solution

The fourth proportional to 42,576.50, 63,921.27 and 36,376.34 is: 54,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,576.50 : 63,921.27 = 36,376.34 : x
  2. Step 2: Convert to fraction form
    42,576.50/63,921.27 = 36,376.34/x
  3. Step 3: Cross multiply
    42,576.50x = 63,921.27 × 36,376.34
  4. Step 4: Simplify right side
    42,576.50x = 2,325,221,850.75
  5. Step 5: Solve for x
    x = 2,325,221,850.75/42,576.50
  6. Step 6: Final answer
    x = 54,612.80

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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.