Home / 47,177.74-70,766.49-13,897.75

Finding the Fourth Proportional to 47,177.74, 70,766.49 and 13,897.75

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Solution

The fourth proportional to 47,177.74, 70,766.49 and 13,897.75 is: 20,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,177.74 : 70,766.49 = 13,897.75 : x
  2. Step 2: Convert to fraction form
    47,177.74/70,766.49 = 13,897.75/x
  3. Step 3: Cross multiply
    47,177.74x = 70,766.49 × 13,897.75
  4. Step 4: Simplify right side
    47,177.74x = 983,494,986.40
  5. Step 5: Solve for x
    x = 983,494,986.40/47,177.74
  6. Step 6: Final answer
    x = 20,846.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.