Home / 48,860.90-73,145.55-45,977.30

Finding the Fourth Proportional to 48,860.90, 73,145.55 and 45,977.30

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Solution

The fourth proportional to 48,860.90, 73,145.55 and 45,977.30 is: 68,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,860.90 : 73,145.55 = 45,977.30 : x
  2. Step 2: Convert to fraction form
    48,860.90/73,145.55 = 45,977.30/x
  3. Step 3: Cross multiply
    48,860.90x = 73,145.55 × 45,977.30
  4. Step 4: Simplify right side
    48,860.90x = 3,363,034,896.02
  5. Step 5: Solve for x
    x = 3,363,034,896.02/48,860.90
  6. Step 6: Final answer
    x = 68,828.75

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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.