Home / 47,899.50-66,102.50-26,679.12

Finding the Fourth Proportional to 47,899.50, 66,102.50 and 26,679.12

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Solution

The fourth proportional to 47,899.50, 66,102.50 and 26,679.12 is: 36,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,899.50 : 66,102.50 = 26,679.12 : x
  2. Step 2: Convert to fraction form
    47,899.50/66,102.50 = 26,679.12/x
  3. Step 3: Cross multiply
    47,899.50x = 66,102.50 × 26,679.12
  4. Step 4: Simplify right side
    47,899.50x = 1,763,556,065.89
  5. Step 5: Solve for x
    x = 1,763,556,065.89/47,899.50
  6. Step 6: Final answer
    x = 36,817.84

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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.