Home / 53,986.77-74,500.88-30,112.83

Finding the Fourth Proportional to 53,986.77, 74,500.88 and 30,112.83

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Solution

The fourth proportional to 53,986.77, 74,500.88 and 30,112.83 is: 41,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.77 : 74,500.88 = 30,112.83 : x
  2. Step 2: Convert to fraction form
    53,986.77/74,500.88 = 30,112.83/x
  3. Step 3: Cross multiply
    53,986.77x = 74,500.88 × 30,112.83
  4. Step 4: Simplify right side
    53,986.77x = 2,243,432,183.73
  5. Step 5: Solve for x
    x = 2,243,432,183.73/53,986.77
  6. Step 6: Final answer
    x = 41,555.22

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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.