Home / 54,890.92-82,219.74-31,459.24

Finding the Fourth Proportional to 54,890.92, 82,219.74 and 31,459.24

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Solution

The fourth proportional to 54,890.92, 82,219.74 and 31,459.24 is: 47,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.92 : 82,219.74 = 31,459.24 : x
  2. Step 2: Convert to fraction form
    54,890.92/82,219.74 = 31,459.24/x
  3. Step 3: Cross multiply
    54,890.92x = 82,219.74 × 31,459.24
  4. Step 4: Simplify right side
    54,890.92x = 2,586,570,533.40
  5. Step 5: Solve for x
    x = 2,586,570,533.40/54,890.92
  6. Step 6: Final answer
    x = 47,122.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.