Home / 115,683.90-173,590.65-49,112.70

Finding the Fourth Proportional to 115,683.90, 173,590.65 and 49,112.70

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Solution

The fourth proportional to 115,683.90, 173,590.65 and 49,112.70 is: 73,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,683.90 : 173,590.65 = 49,112.70 : x
  2. Step 2: Convert to fraction form
    115,683.90/173,590.65 = 49,112.70/x
  3. Step 3: Cross multiply
    115,683.90x = 173,590.65 × 49,112.70
  4. Step 4: Simplify right side
    115,683.90x = 8,525,505,516.26
  5. Step 5: Solve for x
    x = 8,525,505,516.26/115,683.90
  6. Step 6: Final answer
    x = 73,696.56

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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.