Home / 47,639.68-65,746.70-26,425.80

Finding the Fourth Proportional to 47,639.68, 65,746.70 and 26,425.80

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Solution

The fourth proportional to 47,639.68, 65,746.70 and 26,425.80 is: 36,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.68 : 65,746.70 = 26,425.80 : x
  2. Step 2: Convert to fraction form
    47,639.68/65,746.70 = 26,425.80/x
  3. Step 3: Cross multiply
    47,639.68x = 65,746.70 × 26,425.80
  4. Step 4: Simplify right side
    47,639.68x = 1,737,409,144.86
  5. Step 5: Solve for x
    x = 1,737,409,144.86/47,639.68
  6. Step 6: Final answer
    x = 36,469.79

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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.