Home / 54,927.17-75,800.78-31,055.25

Finding the Fourth Proportional to 54,927.17, 75,800.78 and 31,055.25

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Solution

The fourth proportional to 54,927.17, 75,800.78 and 31,055.25 is: 42,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,927.17 : 75,800.78 = 31,055.25 : x
  2. Step 2: Convert to fraction form
    54,927.17/75,800.78 = 31,055.25/x
  3. Step 3: Cross multiply
    54,927.17x = 75,800.78 × 31,055.25
  4. Step 4: Simplify right side
    54,927.17x = 2,354,012,173.10
  5. Step 5: Solve for x
    x = 2,354,012,173.10/54,927.17
  6. Step 6: Final answer
    x = 42,856.97

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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.