Home / 115,531.92-173,307.60-40,644.18

Finding the Fourth Proportional to 115,531.92, 173,307.60 and 40,644.18

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Solution

The fourth proportional to 115,531.92, 173,307.60 and 40,644.18 is: 60,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,531.92 : 173,307.60 = 40,644.18 : x
  2. Step 2: Convert to fraction form
    115,531.92/173,307.60 = 40,644.18/x
  3. Step 3: Cross multiply
    115,531.92x = 173,307.60 × 40,644.18
  4. Step 4: Simplify right side
    115,531.92x = 7,043,945,289.77
  5. Step 5: Solve for x
    x = 7,043,945,289.77/115,531.92
  6. Step 6: Final answer
    x = 60,969.69

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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.