Home / 74,090.44-102,219.42-42,236.32

Finding the Fourth Proportional to 74,090.44, 102,219.42 and 42,236.32

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Solution

The fourth proportional to 74,090.44, 102,219.42 and 42,236.32 is: 58,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,090.44 : 102,219.42 = 42,236.32 : x
  2. Step 2: Convert to fraction form
    74,090.44/102,219.42 = 42,236.32/x
  3. Step 3: Cross multiply
    74,090.44x = 102,219.42 × 42,236.32
  4. Step 4: Simplify right side
    74,090.44x = 4,317,372,133.33
  5. Step 5: Solve for x
    x = 4,317,372,133.33/74,090.44
  6. Step 6: Final answer
    x = 58,271.65

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1.5x scale

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.