Home / 61,982.13-85,531.73-33,687.57

Finding the Fourth Proportional to 61,982.13, 85,531.73 and 33,687.57

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Solution

The fourth proportional to 61,982.13, 85,531.73 and 33,687.57 is: 46,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982.13 : 85,531.73 = 33,687.57 : x
  2. Step 2: Convert to fraction form
    61,982.13/85,531.73 = 33,687.57/x
  3. Step 3: Cross multiply
    61,982.13x = 85,531.73 × 33,687.57
  4. Step 4: Simplify right side
    61,982.13x = 2,881,355,973.16
  5. Step 5: Solve for x
    x = 2,881,355,973.16/61,982.13
  6. Step 6: Final answer
    x = 46,486.88

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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.