Home / 84,128.64-116,093.16-52,296.99

Finding the Fourth Proportional to 84,128.64, 116,093.16 and 52,296.99

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Solution

The fourth proportional to 84,128.64, 116,093.16 and 52,296.99 is: 72,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,128.64 : 116,093.16 = 52,296.99 : x
  2. Step 2: Convert to fraction form
    84,128.64/116,093.16 = 52,296.99/x
  3. Step 3: Cross multiply
    84,128.64x = 116,093.16 × 52,296.99
  4. Step 4: Simplify right side
    84,128.64x = 6,071,322,827.59
  5. Step 5: Solve for x
    x = 6,071,322,827.59/84,128.64
  6. Step 6: Final answer
    x = 72,167.13

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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.