Home / 64,080.03-96,065.31-45,300.99

Finding the Fourth Proportional to 64,080.03, 96,065.31 and 45,300.99

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Solution

The fourth proportional to 64,080.03, 96,065.31 and 45,300.99 is: 67,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,080.03 : 96,065.31 = 45,300.99 : x
  2. Step 2: Convert to fraction form
    64,080.03/96,065.31 = 45,300.99/x
  3. Step 3: Cross multiply
    64,080.03x = 96,065.31 × 45,300.99
  4. Step 4: Simplify right side
    64,080.03x = 4,351,853,647.66
  5. Step 5: Solve for x
    x = 4,351,853,647.66/64,080.03
  6. Step 6: Final answer
    x = 67,912.79

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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.