Home / 47,185.14-65,137.18-29,290.68

Finding the Fourth Proportional to 47,185.14, 65,137.18 and 29,290.68

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Solution

The fourth proportional to 47,185.14, 65,137.18 and 29,290.68 is: 40,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,185.14 : 65,137.18 = 29,290.68 : x
  2. Step 2: Convert to fraction form
    47,185.14/65,137.18 = 29,290.68/x
  3. Step 3: Cross multiply
    47,185.14x = 65,137.18 × 29,290.68
  4. Step 4: Simplify right side
    47,185.14x = 1,907,912,295.48
  5. Step 5: Solve for x
    x = 1,907,912,295.48/47,185.14
  6. Step 6: Final answer
    x = 40,434.60

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1.5x scale

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.