Home / 84,945.39-117,211.72-46,706.50

Finding the Fourth Proportional to 84,945.39, 117,211.72 and 46,706.50

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Solution

The fourth proportional to 84,945.39, 117,211.72 and 46,706.50 is: 64,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.39 : 117,211.72 = 46,706.50 : x
  2. Step 2: Convert to fraction form
    84,945.39/117,211.72 = 46,706.50/x
  3. Step 3: Cross multiply
    84,945.39x = 117,211.72 × 46,706.50
  4. Step 4: Simplify right side
    84,945.39x = 5,474,549,200.18
  5. Step 5: Solve for x
    x = 5,474,549,200.18/84,945.39
  6. Step 6: Final answer
    x = 64,447.87

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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.