Home / 74,112.77-111,154.35-26,726.54

Finding the Fourth Proportional to 74,112.77, 111,154.35 and 26,726.54

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Solution

The fourth proportional to 74,112.77, 111,154.35 and 26,726.54 is: 40,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,112.77 : 111,154.35 = 26,726.54 : x
  2. Step 2: Convert to fraction form
    74,112.77/111,154.35 = 26,726.54/x
  3. Step 3: Cross multiply
    74,112.77x = 111,154.35 × 26,726.54
  4. Step 4: Simplify right side
    74,112.77x = 2,970,771,181.45
  5. Step 5: Solve for x
    x = 2,970,771,181.45/74,112.77
  6. Step 6: Final answer
    x = 40,084.47

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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.