Home / 45,831.88-68,741.16-17,765.36

Finding the Fourth Proportional to 45,831.88, 68,741.16 and 17,765.36

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Solution

The fourth proportional to 45,831.88, 68,741.16 and 17,765.36 is: 26,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,831.88 : 68,741.16 = 17,765.36 : x
  2. Step 2: Convert to fraction form
    45,831.88/68,741.16 = 17,765.36/x
  3. Step 3: Cross multiply
    45,831.88x = 68,741.16 × 17,765.36
  4. Step 4: Simplify right side
    45,831.88x = 1,221,211,454.22
  5. Step 5: Solve for x
    x = 1,221,211,454.22/45,831.88
  6. Step 6: Final answer
    x = 26,645.46

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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.