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Finding the Fourth Proportional to 84,383.26, 116,443.62 and 46,657.54

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Solution

The fourth proportional to 84,383.26, 116,443.62 and 46,657.54 is: 64,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,383.26 : 116,443.62 = 46,657.54 : x
  2. Step 2: Convert to fraction form
    84,383.26/116,443.62 = 46,657.54/x
  3. Step 3: Cross multiply
    84,383.26x = 116,443.62 × 46,657.54
  4. Step 4: Simplify right side
    84,383.26x = 5,432,972,857.89
  5. Step 5: Solve for x
    x = 5,432,972,857.89/84,383.26
  6. Step 6: Final answer
    x = 64,384.49

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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.