Home / 84,805.08-117,081.78-53,017.04

Finding the Fourth Proportional to 84,805.08, 117,081.78 and 53,017.04

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Solution

The fourth proportional to 84,805.08, 117,081.78 and 53,017.04 is: 73,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,805.08 : 117,081.78 = 53,017.04 : x
  2. Step 2: Convert to fraction form
    84,805.08/117,081.78 = 53,017.04/x
  3. Step 3: Cross multiply
    84,805.08x = 117,081.78 × 53,017.04
  4. Step 4: Simplify right side
    84,805.08x = 6,207,329,413.53
  5. Step 5: Solve for x
    x = 6,207,329,413.53/84,805.08
  6. Step 6: Final answer
    x = 73,195.25

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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.