Home / 47,639.85-65,744.58-26,131.11

Finding the Fourth Proportional to 47,639.85, 65,744.58 and 26,131.11

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Solution

The fourth proportional to 47,639.85, 65,744.58 and 26,131.11 is: 36,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.85 : 65,744.58 = 26,131.11 : x
  2. Step 2: Convert to fraction form
    47,639.85/65,744.58 = 26,131.11/x
  3. Step 3: Cross multiply
    47,639.85x = 65,744.58 × 26,131.11
  4. Step 4: Simplify right side
    47,639.85x = 1,717,978,851.88
  5. Step 5: Solve for x
    x = 1,717,978,851.88/47,639.85
  6. Step 6: Final answer
    x = 36,061.80

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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.