Home / 61,640.11-85,063.44-33,345.73

Finding the Fourth Proportional to 61,640.11, 85,063.44 and 33,345.73

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Solution

The fourth proportional to 61,640.11, 85,063.44 and 33,345.73 is: 46,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,640.11 : 85,063.44 = 33,345.73 : x
  2. Step 2: Convert to fraction form
    61,640.11/85,063.44 = 33,345.73/x
  3. Step 3: Cross multiply
    61,640.11x = 85,063.44 × 33,345.73
  4. Step 4: Simplify right side
    61,640.11x = 2,836,502,503.11
  5. Step 5: Solve for x
    x = 2,836,502,503.11/61,640.11
  6. Step 6: Final answer
    x = 46,017.16

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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.