Home / 54,045.07-74,582.02-30,171.54

Finding the Fourth Proportional to 54,045.07, 74,582.02 and 30,171.54

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Solution

The fourth proportional to 54,045.07, 74,582.02 and 30,171.54 is: 41,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,045.07 : 74,582.02 = 30,171.54 : x
  2. Step 2: Convert to fraction form
    54,045.07/74,582.02 = 30,171.54/x
  3. Step 3: Cross multiply
    54,045.07x = 74,582.02 × 30,171.54
  4. Step 4: Simplify right side
    54,045.07x = 2,250,254,127.87
  5. Step 5: Solve for x
    x = 2,250,254,127.87/54,045.07
  6. Step 6: Final answer
    x = 41,636.62

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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.