Home / 54,187.52-74,777.64-30,314.39

Finding the Fourth Proportional to 54,187.52, 74,777.64 and 30,314.39

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Solution

The fourth proportional to 54,187.52, 74,777.64 and 30,314.39 is: 41,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.52 : 74,777.64 = 30,314.39 : x
  2. Step 2: Convert to fraction form
    54,187.52/74,777.64 = 30,314.39/x
  3. Step 3: Cross multiply
    54,187.52x = 74,777.64 × 30,314.39
  4. Step 4: Simplify right side
    54,187.52x = 2,266,838,168.35
  5. Step 5: Solve for x
    x = 2,266,838,168.35/54,187.52
  6. Step 6: Final answer
    x = 41,833.22

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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.