Home / 50,981.94-70,352.70-28,322.40

Finding the Fourth Proportional to 50,981.94, 70,352.70 and 28,322.40

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Solution

The fourth proportional to 50,981.94, 70,352.70 and 28,322.40 is: 39,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,981.94 : 70,352.70 = 28,322.40 : x
  2. Step 2: Convert to fraction form
    50,981.94/70,352.70 = 28,322.40/x
  3. Step 3: Cross multiply
    50,981.94x = 70,352.70 × 28,322.40
  4. Step 4: Simplify right side
    50,981.94x = 1,992,557,310.48
  5. Step 5: Solve for x
    x = 1,992,557,310.48/50,981.94
  6. Step 6: Final answer
    x = 39,083.59

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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.