Home / 115,453.35-173,205.95-40,578.64

Finding the Fourth Proportional to 115,453.35, 173,205.95 and 40,578.64

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Solution

The fourth proportional to 115,453.35, 173,205.95 and 40,578.64 is: 60,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,453.35 : 173,205.95 = 40,578.64 : x
  2. Step 2: Convert to fraction form
    115,453.35/173,205.95 = 40,578.64/x
  3. Step 3: Cross multiply
    115,453.35x = 173,205.95 × 40,578.64
  4. Step 4: Simplify right side
    115,453.35x = 7,028,461,255.00
  5. Step 5: Solve for x
    x = 7,028,461,255.00/115,453.35
  6. Step 6: Final answer
    x = 60,877.07

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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.