Home / 47,942.42-66,154.12-29,075.90

Finding the Fourth Proportional to 47,942.42, 66,154.12 and 29,075.90

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Solution

The fourth proportional to 47,942.42, 66,154.12 and 29,075.90 is: 40,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.42 : 66,154.12 = 29,075.90 : x
  2. Step 2: Convert to fraction form
    47,942.42/66,154.12 = 29,075.90/x
  3. Step 3: Cross multiply
    47,942.42x = 66,154.12 × 29,075.90
  4. Step 4: Simplify right side
    47,942.42x = 1,923,490,174.25
  5. Step 5: Solve for x
    x = 1,923,490,174.25/47,942.42
  6. Step 6: Final answer
    x = 40,120.84

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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.