Home / 115,916.20-173,831.10-41,007.40

Finding the Fourth Proportional to 115,916.20, 173,831.10 and 41,007.40

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Solution

The fourth proportional to 115,916.20, 173,831.10 and 41,007.40 is: 61,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,916.20 : 173,831.10 = 41,007.40 : x
  2. Step 2: Convert to fraction form
    115,916.20/173,831.10 = 41,007.40/x
  3. Step 3: Cross multiply
    115,916.20x = 173,831.10 × 41,007.40
  4. Step 4: Simplify right side
    115,916.20x = 7,128,361,450.14
  5. Step 5: Solve for x
    x = 7,128,361,450.14/115,916.20
  6. Step 6: Final answer
    x = 61,495.82

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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.