Home / 115,521.21-173,238.08-45,362.25

Finding the Fourth Proportional to 115,521.21, 173,238.08 and 45,362.25

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Solution

The fourth proportional to 115,521.21, 173,238.08 and 45,362.25 is: 68,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,521.21 : 173,238.08 = 45,362.25 : x
  2. Step 2: Convert to fraction form
    115,521.21/173,238.08 = 45,362.25/x
  3. Step 3: Cross multiply
    115,521.21x = 173,238.08 × 45,362.25
  4. Step 4: Simplify right side
    115,521.21x = 7,858,468,867.67
  5. Step 5: Solve for x
    x = 7,858,468,867.67/115,521.21
  6. Step 6: Final answer
    x = 68,026.20

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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.