Home / 61,712.46-85,162.71-33,418.15

Finding the Fourth Proportional to 61,712.46, 85,162.71 and 33,418.15

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Solution

The fourth proportional to 61,712.46, 85,162.71 and 33,418.15 is: 46,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712.46 : 85,162.71 = 33,418.15 : x
  2. Step 2: Convert to fraction form
    61,712.46/85,162.71 = 33,418.15/x
  3. Step 3: Cross multiply
    61,712.46x = 85,162.71 × 33,418.15
  4. Step 4: Simplify right side
    61,712.46x = 2,845,980,448.96
  5. Step 5: Solve for x
    x = 2,845,980,448.96/61,712.46
  6. Step 6: Final answer
    x = 46,116.79

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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.