Home / 54,707.12-75,495.60-29,556.56

Finding the Fourth Proportional to 54,707.12, 75,495.60 and 29,556.56

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Solution

The fourth proportional to 54,707.12, 75,495.60 and 29,556.56 is: 40,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,707.12 : 75,495.60 = 29,556.56 : x
  2. Step 2: Convert to fraction form
    54,707.12/75,495.60 = 29,556.56/x
  3. Step 3: Cross multiply
    54,707.12x = 75,495.60 × 29,556.56
  4. Step 4: Simplify right side
    54,707.12x = 2,231,390,231.14
  5. Step 5: Solve for x
    x = 2,231,390,231.14/54,707.12
  6. Step 6: Final answer
    x = 40,787.93

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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.