Home / 53,508.63-80,263.72-25,431.54

Finding the Fourth Proportional to 53,508.63, 80,263.72 and 25,431.54

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Solution

The fourth proportional to 53,508.63, 80,263.72 and 25,431.54 is: 38,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,508.63 : 80,263.72 = 25,431.54 : x
  2. Step 2: Convert to fraction form
    53,508.63/80,263.72 = 25,431.54/x
  3. Step 3: Cross multiply
    53,508.63x = 80,263.72 × 25,431.54
  4. Step 4: Simplify right side
    53,508.63x = 2,041,230,449.52
  5. Step 5: Solve for x
    x = 2,041,230,449.52/53,508.63
  6. Step 6: Final answer
    x = 38,147.69

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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.