Home / 54,173.76-74,775.68-31,518.08

Finding the Fourth Proportional to 54,173.76, 74,775.68 and 31,518.08

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Solution

The fourth proportional to 54,173.76, 74,775.68 and 31,518.08 is: 43,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.76 : 74,775.68 = 31,518.08 : x
  2. Step 2: Convert to fraction form
    54,173.76/74,775.68 = 31,518.08/x
  3. Step 3: Cross multiply
    54,173.76x = 74,775.68 × 31,518.08
  4. Step 4: Simplify right side
    54,173.76x = 2,356,785,864.29
  5. Step 5: Solve for x
    x = 2,356,785,864.29/54,173.76
  6. Step 6: Final answer
    x = 43,504.20

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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.