Home / 53,974.78-74,486.72-30,102.99

Finding the Fourth Proportional to 53,974.78, 74,486.72 and 30,102.99

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Solution

The fourth proportional to 53,974.78, 74,486.72 and 30,102.99 is: 41,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,974.78 : 74,486.72 = 30,102.99 : x
  2. Step 2: Convert to fraction form
    53,974.78/74,486.72 = 30,102.99/x
  3. Step 3: Cross multiply
    53,974.78x = 74,486.72 × 30,102.99
  4. Step 4: Simplify right side
    53,974.78x = 2,242,272,987.29
  5. Step 5: Solve for x
    x = 2,242,272,987.29/53,974.78
  6. Step 6: Final answer
    x = 41,542.98

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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.