Home / 84,788.62-117,009.76-46,551.72

Finding the Fourth Proportional to 84,788.62, 117,009.76 and 46,551.72

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Solution

The fourth proportional to 84,788.62, 117,009.76 and 46,551.72 is: 64,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788.62 : 117,009.76 = 46,551.72 : x
  2. Step 2: Convert to fraction form
    84,788.62/117,009.76 = 46,551.72/x
  3. Step 3: Cross multiply
    84,788.62x = 117,009.76 × 46,551.72
  4. Step 4: Simplify right side
    84,788.62x = 5,447,005,584.79
  5. Step 5: Solve for x
    x = 5,447,005,584.79/84,788.62
  6. Step 6: Final answer
    x = 64,242.18

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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.