Home / 50,862.63-70,191.27-28,202.57

Finding the Fourth Proportional to 50,862.63, 70,191.27 and 28,202.57

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Solution

The fourth proportional to 50,862.63, 70,191.27 and 28,202.57 is: 38,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,862.63 : 70,191.27 = 28,202.57 : x
  2. Step 2: Convert to fraction form
    50,862.63/70,191.27 = 28,202.57/x
  3. Step 3: Cross multiply
    50,862.63x = 70,191.27 × 28,202.57
  4. Step 4: Simplify right side
    50,862.63x = 1,979,574,310.54
  5. Step 5: Solve for x
    x = 1,979,574,310.54/50,862.63
  6. Step 6: Final answer
    x = 38,920.02

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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.