Home / 61,918.88-85,448.25-40,736.16

Finding the Fourth Proportional to 61,918.88, 85,448.25 and 40,736.16

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Solution

The fourth proportional to 61,918.88, 85,448.25 and 40,736.16 is: 56,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,918.88 : 85,448.25 = 40,736.16 : x
  2. Step 2: Convert to fraction form
    61,918.88/85,448.25 = 40,736.16/x
  3. Step 3: Cross multiply
    61,918.88x = 85,448.25 × 40,736.16
  4. Step 4: Simplify right side
    61,918.88x = 3,480,833,583.72
  5. Step 5: Solve for x
    x = 3,480,833,583.72/61,918.88
  6. Step 6: Final answer
    x = 56,216.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.