Home / 54,985.10-82,519.11-40,232.08

Finding the Fourth Proportional to 54,985.10, 82,519.11 and 40,232.08

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Solution

The fourth proportional to 54,985.10, 82,519.11 and 40,232.08 is: 60,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,985.10 : 82,519.11 = 40,232.08 : x
  2. Step 2: Convert to fraction form
    54,985.10/82,519.11 = 40,232.08/x
  3. Step 3: Cross multiply
    54,985.10x = 82,519.11 × 40,232.08
  4. Step 4: Simplify right side
    54,985.10x = 3,319,915,228.75
  5. Step 5: Solve for x
    x = 3,319,915,228.75/54,985.10
  6. Step 6: Final answer
    x = 60,378.45

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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.