Home / 52,583.38-78,981.21-31,563.34

Finding the Fourth Proportional to 52,583.38, 78,981.21 and 31,563.34

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Solution

The fourth proportional to 52,583.38, 78,981.21 and 31,563.34 is: 47,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,583.38 : 78,981.21 = 31,563.34 : x
  2. Step 2: Convert to fraction form
    52,583.38/78,981.21 = 31,563.34/x
  3. Step 3: Cross multiply
    52,583.38x = 78,981.21 × 31,563.34
  4. Step 4: Simplify right side
    52,583.38x = 2,492,910,587.39
  5. Step 5: Solve for x
    x = 2,492,910,587.39/52,583.38
  6. Step 6: Final answer
    x = 47,408.72

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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.