Home / 53,701.32-74,147.22-49,720.44

Finding the Fourth Proportional to 53,701.32, 74,147.22 and 49,720.44

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Solution

The fourth proportional to 53,701.32, 74,147.22 and 49,720.44 is: 68,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,701.32 : 74,147.22 = 49,720.44 : x
  2. Step 2: Convert to fraction form
    53,701.32/74,147.22 = 49,720.44/x
  3. Step 3: Cross multiply
    53,701.32x = 74,147.22 × 49,720.44
  4. Step 4: Simplify right side
    53,701.32x = 3,686,632,403.18
  5. Step 5: Solve for x
    x = 3,686,632,403.18/53,701.32
  6. Step 6: Final answer
    x = 68,650.68

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1.5x scale

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.