Home / 113,411.36-170,179.68-46,836

Finding the Fourth Proportional to 113,411.36, 170,179.68 and 46,836

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Solution

The fourth proportional to 113,411.36, 170,179.68 and 46,836 is: 70,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,411.36 : 170,179.68 = 46,836 : x
  2. Step 2: Convert to fraction form
    113,411.36/170,179.68 = 46,836/x
  3. Step 3: Cross multiply
    113,411.36x = 170,179.68 × 46,836
  4. Step 4: Simplify right side
    113,411.36x = 7,970,535,492.48
  5. Step 5: Solve for x
    x = 7,970,535,492.48/113,411.36
  6. Step 6: Final answer
    x = 70,279.87

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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.