Home / 61,979.96-85,531.87-33,685.85

Finding the Fourth Proportional to 61,979.96, 85,531.87 and 33,685.85

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Solution

The fourth proportional to 61,979.96, 85,531.87 and 33,685.85 is: 46,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979.96 : 85,531.87 = 33,685.85 : x
  2. Step 2: Convert to fraction form
    61,979.96/85,531.87 = 33,685.85/x
  3. Step 3: Cross multiply
    61,979.96x = 85,531.87 × 33,685.85
  4. Step 4: Simplify right side
    61,979.96x = 2,881,213,743.04
  5. Step 5: Solve for x
    x = 2,881,213,743.04/61,979.96
  6. Step 6: Final answer
    x = 46,486.21

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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.