Home / 61,326.94-84,638.19-34,105.74

Finding the Fourth Proportional to 61,326.94, 84,638.19 and 34,105.74

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Solution

The fourth proportional to 61,326.94, 84,638.19 and 34,105.74 is: 47,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,326.94 : 84,638.19 = 34,105.74 : x
  2. Step 2: Convert to fraction form
    61,326.94/84,638.19 = 34,105.74/x
  3. Step 3: Cross multiply
    61,326.94x = 84,638.19 × 34,105.74
  4. Step 4: Simplify right side
    61,326.94x = 2,886,647,784.82
  5. Step 5: Solve for x
    x = 2,886,647,784.82/61,326.94
  6. Step 6: Final answer
    x = 47,069.82

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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.