Home / 61,921.07-85,477.23-41,805.19

Finding the Fourth Proportional to 61,921.07, 85,477.23 and 41,805.19

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Solution

The fourth proportional to 61,921.07, 85,477.23 and 41,805.19 is: 57,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.07 : 85,477.23 = 41,805.19 : x
  2. Step 2: Convert to fraction form
    61,921.07/85,477.23 = 41,805.19/x
  3. Step 3: Cross multiply
    61,921.07x = 85,477.23 × 41,805.19
  4. Step 4: Simplify right side
    61,921.07x = 3,573,391,840.82
  5. Step 5: Solve for x
    x = 3,573,391,840.82/61,921.07
  6. Step 6: Final answer
    x = 57,708.82

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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.