Home / 74,247.90-102,460.86-41,982

Finding the Fourth Proportional to 74,247.90, 102,460.86 and 41,982

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Solution

The fourth proportional to 74,247.90, 102,460.86 and 41,982 is: 57,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.90 : 102,460.86 = 41,982 : x
  2. Step 2: Convert to fraction form
    74,247.90/102,460.86 = 41,982/x
  3. Step 3: Cross multiply
    74,247.90x = 102,460.86 × 41,982
  4. Step 4: Simplify right side
    74,247.90x = 4,301,511,824.52
  5. Step 5: Solve for x
    x = 4,301,511,824.52/74,247.90
  6. Step 6: Final answer
    x = 57,934.46

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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.