Home / 52,579.76-72,560.44-28,706.98

Finding the Fourth Proportional to 52,579.76, 72,560.44 and 28,706.98

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Solution

The fourth proportional to 52,579.76, 72,560.44 and 28,706.98 is: 39,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,579.76 : 72,560.44 = 28,706.98 : x
  2. Step 2: Convert to fraction form
    52,579.76/72,560.44 = 28,706.98/x
  3. Step 3: Cross multiply
    52,579.76x = 72,560.44 × 28,706.98
  4. Step 4: Simplify right side
    52,579.76x = 2,082,991,099.87
  5. Step 5: Solve for x
    x = 2,082,991,099.87/52,579.76
  6. Step 6: Final answer
    x = 39,615.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.