Home / 54,110.88-74,687.76-31,762.08

Finding the Fourth Proportional to 54,110.88, 74,687.76 and 31,762.08

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Solution

The fourth proportional to 54,110.88, 74,687.76 and 31,762.08 is: 43,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,110.88 : 74,687.76 = 31,762.08 : x
  2. Step 2: Convert to fraction form
    54,110.88/74,687.76 = 31,762.08/x
  3. Step 3: Cross multiply
    54,110.88x = 74,687.76 × 31,762.08
  4. Step 4: Simplify right side
    54,110.88x = 2,372,238,608.14
  5. Step 5: Solve for x
    x = 2,372,238,608.14/54,110.88
  6. Step 6: Final answer
    x = 43,840.33

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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.