Home / 45,851.81-68,764.37-17,765.60

Finding the Fourth Proportional to 45,851.81, 68,764.37 and 17,765.60

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Solution

The fourth proportional to 45,851.81, 68,764.37 and 17,765.60 is: 26,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,851.81 : 68,764.37 = 17,765.60 : x
  2. Step 2: Convert to fraction form
    45,851.81/68,764.37 = 17,765.60/x
  3. Step 3: Cross multiply
    45,851.81x = 68,764.37 × 17,765.60
  4. Step 4: Simplify right side
    45,851.81x = 1,221,639,859.02
  5. Step 5: Solve for x
    x = 1,221,639,859.02/45,851.81
  6. Step 6: Final answer
    x = 26,643.22

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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.