Home / 115,439.06-173,175.90-40,546

Finding the Fourth Proportional to 115,439.06, 173,175.90 and 40,546

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Solution

The fourth proportional to 115,439.06, 173,175.90 and 40,546 is: 60,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,439.06 : 173,175.90 = 40,546 : x
  2. Step 2: Convert to fraction form
    115,439.06/173,175.90 = 40,546/x
  3. Step 3: Cross multiply
    115,439.06x = 173,175.90 × 40,546
  4. Step 4: Simplify right side
    115,439.06x = 7,021,590,041.40
  5. Step 5: Solve for x
    x = 7,021,590,041.40/115,439.06
  6. Step 6: Final answer
    x = 60,825.08

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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.