Home / 54,982.02-82,330.26-47,134.74

Finding the Fourth Proportional to 54,982.02, 82,330.26 and 47,134.74

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Solution

The fourth proportional to 54,982.02, 82,330.26 and 47,134.74 is: 70,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.02 : 82,330.26 = 47,134.74 : x
  2. Step 2: Convert to fraction form
    54,982.02/82,330.26 = 47,134.74/x
  3. Step 3: Cross multiply
    54,982.02x = 82,330.26 × 47,134.74
  4. Step 4: Simplify right side
    54,982.02x = 3,880,615,399.23
  5. Step 5: Solve for x
    x = 3,880,615,399.23/54,982.02
  6. Step 6: Final answer
    x = 70,579.72

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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.