Home / 74,294.36-111,442.08-21,740.48

Finding the Fourth Proportional to 74,294.36, 111,442.08 and 21,740.48

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Solution

The fourth proportional to 74,294.36, 111,442.08 and 21,740.48 is: 32,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,294.36 : 111,442.08 = 21,740.48 : x
  2. Step 2: Convert to fraction form
    74,294.36/111,442.08 = 21,740.48/x
  3. Step 3: Cross multiply
    74,294.36x = 111,442.08 × 21,740.48
  4. Step 4: Simplify right side
    74,294.36x = 2,422,804,311.40
  5. Step 5: Solve for x
    x = 2,422,804,311.40/74,294.36
  6. Step 6: Final answer
    x = 32,610.88

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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.