Home / 49,400.73-74,104.85-19,400.50

Finding the Fourth Proportional to 49,400.73, 74,104.85 and 19,400.50

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Solution

The fourth proportional to 49,400.73, 74,104.85 and 19,400.50 is: 29,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,400.73 : 74,104.85 = 19,400.50 : x
  2. Step 2: Convert to fraction form
    49,400.73/74,104.85 = 19,400.50/x
  3. Step 3: Cross multiply
    49,400.73x = 74,104.85 × 19,400.50
  4. Step 4: Simplify right side
    49,400.73x = 1,437,670,968.47
  5. Step 5: Solve for x
    x = 1,437,670,968.47/49,400.73
  6. Step 6: Final answer
    x = 29,102.22

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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.