Home / 85,017.58-117,326.78-46,781.08

Finding the Fourth Proportional to 85,017.58, 117,326.78 and 46,781.08

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Solution

The fourth proportional to 85,017.58, 117,326.78 and 46,781.08 is: 64,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,017.58 : 117,326.78 = 46,781.08 : x
  2. Step 2: Convert to fraction form
    85,017.58/117,326.78 = 46,781.08/x
  3. Step 3: Cross multiply
    85,017.58x = 117,326.78 × 46,781.08
  4. Step 4: Simplify right side
    85,017.58x = 5,488,673,481.32
  5. Step 5: Solve for x
    x = 5,488,673,481.32/85,017.58
  6. Step 6: Final answer
    x = 64,559.28

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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.