Home / 47,107.05-64,981.77-29,847.84

Finding the Fourth Proportional to 47,107.05, 64,981.77 and 29,847.84

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Solution

The fourth proportional to 47,107.05, 64,981.77 and 29,847.84 is: 41,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,107.05 : 64,981.77 = 29,847.84 : x
  2. Step 2: Convert to fraction form
    47,107.05/64,981.77 = 29,847.84/x
  3. Step 3: Cross multiply
    47,107.05x = 64,981.77 × 29,847.84
  4. Step 4: Simplify right side
    47,107.05x = 1,939,564,999.73
  5. Step 5: Solve for x
    x = 1,939,564,999.73/47,107.05
  6. Step 6: Final answer
    x = 41,173.57

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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.