Home / 115,735.45-173,617.05-40,840.13

Finding the Fourth Proportional to 115,735.45, 173,617.05 and 40,840.13

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Solution

The fourth proportional to 115,735.45, 173,617.05 and 40,840.13 is: 61,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,735.45 : 173,617.05 = 40,840.13 : x
  2. Step 2: Convert to fraction form
    115,735.45/173,617.05 = 40,840.13/x
  3. Step 3: Cross multiply
    115,735.45x = 173,617.05 × 40,840.13
  4. Step 4: Simplify right side
    115,735.45x = 7,090,541,819.93
  5. Step 5: Solve for x
    x = 7,090,541,819.93/115,735.45
  6. Step 6: Final answer
    x = 61,265.08

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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.