Home / 47,106.12-70,687.26-19,039.80

Finding the Fourth Proportional to 47,106.12, 70,687.26 and 19,039.80

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Solution

The fourth proportional to 47,106.12, 70,687.26 and 19,039.80 is: 28,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,106.12 : 70,687.26 = 19,039.80 : x
  2. Step 2: Convert to fraction form
    47,106.12/70,687.26 = 19,039.80/x
  3. Step 3: Cross multiply
    47,106.12x = 70,687.26 × 19,039.80
  4. Step 4: Simplify right side
    47,106.12x = 1,345,871,292.95
  5. Step 5: Solve for x
    x = 1,345,871,292.95/47,106.12
  6. Step 6: Final answer
    x = 28,571.05

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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.