Home / 49,815.70-68,710.50-29,656.96

Finding the Fourth Proportional to 49,815.70, 68,710.50 and 29,656.96

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Solution

The fourth proportional to 49,815.70, 68,710.50 and 29,656.96 is: 40,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,815.70 : 68,710.50 = 29,656.96 : x
  2. Step 2: Convert to fraction form
    49,815.70/68,710.50 = 29,656.96/x
  3. Step 3: Cross multiply
    49,815.70x = 68,710.50 × 29,656.96
  4. Step 4: Simplify right side
    49,815.70x = 2,037,744,550.08
  5. Step 5: Solve for x
    x = 2,037,744,550.08/49,815.70
  6. Step 6: Final answer
    x = 40,905.67

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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.