Home / 52,520.56-78,770.03-15,072.28

Finding the Fourth Proportional to 52,520.56, 78,770.03 and 15,072.28

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Solution

The fourth proportional to 52,520.56, 78,770.03 and 15,072.28 is: 22,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.56 : 78,770.03 = 15,072.28 : x
  2. Step 2: Convert to fraction form
    52,520.56/78,770.03 = 15,072.28/x
  3. Step 3: Cross multiply
    52,520.56x = 78,770.03 × 15,072.28
  4. Step 4: Simplify right side
    52,520.56x = 1,187,243,985.00
  5. Step 5: Solve for x
    x = 1,187,243,985.00/52,520.56
  6. Step 6: Final answer
    x = 22,605.32

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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.