Home / 61,921.07-85,477.23-41,805.20

Finding the Fourth Proportional to 61,921.07, 85,477.23 and 41,805.20

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Solution

The fourth proportional to 61,921.07, 85,477.23 and 41,805.20 is: 57,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.07 : 85,477.23 = 41,805.20 : x
  2. Step 2: Convert to fraction form
    61,921.07/85,477.23 = 41,805.20/x
  3. Step 3: Cross multiply
    61,921.07x = 85,477.23 × 41,805.20
  4. Step 4: Simplify right side
    61,921.07x = 3,573,392,268.21
  5. Step 5: Solve for x
    x = 3,573,392,268.21/61,921.07
  6. Step 6: Final answer
    x = 57,708.83

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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.