Home / 54,983.02-82,331.76-47,135.74

Finding the Fourth Proportional to 54,983.02, 82,331.76 and 47,135.74

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Solution

The fourth proportional to 54,983.02, 82,331.76 and 47,135.74 is: 70,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,983.02 : 82,331.76 = 47,135.74 : x
  2. Step 2: Convert to fraction form
    54,983.02/82,331.76 = 47,135.74/x
  3. Step 3: Cross multiply
    54,983.02x = 82,331.76 × 47,135.74
  4. Step 4: Simplify right side
    54,983.02x = 3,880,768,433.10
  5. Step 5: Solve for x
    x = 3,880,768,433.10/54,983.02
  6. Step 6: Final answer
    x = 70,581.22

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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.