Home / 115,522.71-173,240.32-45,363.75

Finding the Fourth Proportional to 115,522.71, 173,240.32 and 45,363.75

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Solution

The fourth proportional to 115,522.71, 173,240.32 and 45,363.75 is: 68,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,522.71 : 173,240.32 = 45,363.75 : x
  2. Step 2: Convert to fraction form
    115,522.71/173,240.32 = 45,363.75/x
  3. Step 3: Cross multiply
    115,522.71x = 173,240.32 × 45,363.75
  4. Step 4: Simplify right side
    115,522.71x = 7,858,830,566.40
  5. Step 5: Solve for x
    x = 7,858,830,566.40/115,522.71
  6. Step 6: Final answer
    x = 68,028.45

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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.