Home / 54,272.48-74,858.63-38,173.93

Finding the Fourth Proportional to 54,272.48, 74,858.63 and 38,173.93

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Solution

The fourth proportional to 54,272.48, 74,858.63 and 38,173.93 is: 52,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.48 : 74,858.63 = 38,173.93 : x
  2. Step 2: Convert to fraction form
    54,272.48/74,858.63 = 38,173.93/x
  3. Step 3: Cross multiply
    54,272.48x = 74,858.63 × 38,173.93
  4. Step 4: Simplify right side
    54,272.48x = 2,857,648,359.31
  5. Step 5: Solve for x
    x = 2,857,648,359.31/54,272.48
  6. Step 6: Final answer
    x = 52,653.73

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Double scale
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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.