Home / 74,150.36-111,241.95-40,853.28

Finding the Fourth Proportional to 74,150.36, 111,241.95 and 40,853.28

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Solution

The fourth proportional to 74,150.36, 111,241.95 and 40,853.28 is: 61,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.36 : 111,241.95 = 40,853.28 : x
  2. Step 2: Convert to fraction form
    74,150.36/111,241.95 = 40,853.28/x
  3. Step 3: Cross multiply
    74,150.36x = 111,241.95 × 40,853.28
  4. Step 4: Simplify right side
    74,150.36x = 4,544,598,531.10
  5. Step 5: Solve for x
    x = 4,544,598,531.10/74,150.36
  6. Step 6: Final answer
    x = 61,288.96

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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.