Home / 76,090.40-104,788.56-74,462.24

Finding the Fourth Proportional to 76,090.40, 104,788.56 and 74,462.24

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Solution

The fourth proportional to 76,090.40, 104,788.56 and 74,462.24 is: 102,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,090.40 : 104,788.56 = 74,462.24 : x
  2. Step 2: Convert to fraction form
    76,090.40/104,788.56 = 74,462.24/x
  3. Step 3: Cross multiply
    76,090.40x = 104,788.56 × 74,462.24
  4. Step 4: Simplify right side
    76,090.40x = 7,802,790,903.97
  5. Step 5: Solve for x
    x = 7,802,790,903.97/76,090.40
  6. Step 6: Final answer
    x = 102,546.33

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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.