Home / 51,119.94-70,539.39-28,453.50

Finding the Fourth Proportional to 51,119.94, 70,539.39 and 28,453.50

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Solution

The fourth proportional to 51,119.94, 70,539.39 and 28,453.50 is: 39,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,119.94 : 70,539.39 = 28,453.50 : x
  2. Step 2: Convert to fraction form
    51,119.94/70,539.39 = 28,453.50/x
  3. Step 3: Cross multiply
    51,119.94x = 70,539.39 × 28,453.50
  4. Step 4: Simplify right side
    51,119.94x = 2,007,092,533.37
  5. Step 5: Solve for x
    x = 2,007,092,533.37/51,119.94
  6. Step 6: Final answer
    x = 39,262.42

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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.