Home / 74,283.78-111,442.98-40,995.84

Finding the Fourth Proportional to 74,283.78, 111,442.98 and 40,995.84

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Solution

The fourth proportional to 74,283.78, 111,442.98 and 40,995.84 is: 61,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283.78 : 111,442.98 = 40,995.84 : x
  2. Step 2: Convert to fraction form
    74,283.78/111,442.98 = 40,995.84/x
  3. Step 3: Cross multiply
    74,283.78x = 111,442.98 × 40,995.84
  4. Step 4: Simplify right side
    74,283.78x = 4,568,698,577.20
  5. Step 5: Solve for x
    x = 4,568,698,577.20/74,283.78
  6. Step 6: Final answer
    x = 61,503.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.