Home / 54,110.78-74,668.02-30,234.14

Finding the Fourth Proportional to 54,110.78, 74,668.02 and 30,234.14

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Solution

The fourth proportional to 54,110.78, 74,668.02 and 30,234.14 is: 41,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,110.78 : 74,668.02 = 30,234.14 : x
  2. Step 2: Convert to fraction form
    54,110.78/74,668.02 = 30,234.14/x
  3. Step 3: Cross multiply
    54,110.78x = 74,668.02 × 30,234.14
  4. Step 4: Simplify right side
    54,110.78x = 2,257,523,370.20
  5. Step 5: Solve for x
    x = 2,257,523,370.20/54,110.78
  6. Step 6: Final answer
    x = 41,720.40

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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.