Home / 61,979.46-85,531.19-33,685.35

Finding the Fourth Proportional to 61,979.46, 85,531.19 and 33,685.35

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Solution

The fourth proportional to 61,979.46, 85,531.19 and 33,685.35 is: 46,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979.46 : 85,531.19 = 33,685.35 : x
  2. Step 2: Convert to fraction form
    61,979.46/85,531.19 = 33,685.35/x
  3. Step 3: Cross multiply
    61,979.46x = 85,531.19 × 33,685.35
  4. Step 4: Simplify right side
    61,979.46x = 2,881,147,902.64
  5. Step 5: Solve for x
    x = 2,881,147,902.64/61,979.46
  6. Step 6: Final answer
    x = 46,485.53

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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.