Home / 114,129.11-171,100.91-47,618.80

Finding the Fourth Proportional to 114,129.11, 171,100.91 and 47,618.80

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Solution

The fourth proportional to 114,129.11, 171,100.91 and 47,618.80 is: 71,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,129.11 : 171,100.91 = 47,618.80 : x
  2. Step 2: Convert to fraction form
    114,129.11/171,100.91 = 47,618.80/x
  3. Step 3: Cross multiply
    114,129.11x = 171,100.91 × 47,618.80
  4. Step 4: Simplify right side
    114,129.11x = 8,147,619,704.40
  5. Step 5: Solve for x
    x = 8,147,619,704.40/114,129.11
  6. Step 6: Final answer
    x = 71,389.49

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1.5x scale

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.