Home / 84,919.59-117,186.55-46,679.09

Finding the Fourth Proportional to 84,919.59, 117,186.55 and 46,679.09

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Solution

The fourth proportional to 84,919.59, 117,186.55 and 46,679.09 is: 64,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,919.59 : 117,186.55 = 46,679.09 : x
  2. Step 2: Convert to fraction form
    84,919.59/117,186.55 = 46,679.09/x
  3. Step 3: Cross multiply
    84,919.59x = 117,186.55 × 46,679.09
  4. Step 4: Simplify right side
    84,919.59x = 5,470,160,811.61
  5. Step 5: Solve for x
    x = 5,470,160,811.61/84,919.59
  6. Step 6: Final answer
    x = 64,415.77

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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.