Home / 53,701.18-80,574.55-28,734.75

Finding the Fourth Proportional to 53,701.18, 80,574.55 and 28,734.75

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Solution

The fourth proportional to 53,701.18, 80,574.55 and 28,734.75 is: 43,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,701.18 : 80,574.55 = 28,734.75 : x
  2. Step 2: Convert to fraction form
    53,701.18/80,574.55 = 28,734.75/x
  3. Step 3: Cross multiply
    53,701.18x = 80,574.55 × 28,734.75
  4. Step 4: Simplify right side
    53,701.18x = 2,315,289,478.78
  5. Step 5: Solve for x
    x = 2,315,289,478.78/53,701.18
  6. Step 6: Final answer
    x = 43,114.31

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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.