Home / 85,083.04-117,416.80-46,843.68

Finding the Fourth Proportional to 85,083.04, 117,416.80 and 46,843.68

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Solution

The fourth proportional to 85,083.04, 117,416.80 and 46,843.68 is: 64,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083.04 : 117,416.80 = 46,843.68 : x
  2. Step 2: Convert to fraction form
    85,083.04/117,416.80 = 46,843.68/x
  3. Step 3: Cross multiply
    85,083.04x = 117,416.80 × 46,843.68
  4. Step 4: Simplify right side
    85,083.04x = 5,500,235,005.82
  5. Step 5: Solve for x
    x = 5,500,235,005.82/85,083.04
  6. Step 6: Final answer
    x = 64,645.49

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1.5x scale

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.