Home / 54,149.67-74,696.54-31,486.16

Finding the Fourth Proportional to 54,149.67, 74,696.54 and 31,486.16

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Solution

The fourth proportional to 54,149.67, 74,696.54 and 31,486.16 is: 43,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,149.67 : 74,696.54 = 31,486.16 : x
  2. Step 2: Convert to fraction form
    54,149.67/74,696.54 = 31,486.16/x
  3. Step 3: Cross multiply
    54,149.67x = 74,696.54 × 31,486.16
  4. Step 4: Simplify right side
    54,149.67x = 2,351,907,239.20
  5. Step 5: Solve for x
    x = 2,351,907,239.20/54,149.67
  6. Step 6: Final answer
    x = 43,433.45

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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.