Home / 84,117.51-116,081.71-45,876.33

Finding the Fourth Proportional to 84,117.51, 116,081.71 and 45,876.33

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Solution

The fourth proportional to 84,117.51, 116,081.71 and 45,876.33 is: 63,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,117.51 : 116,081.71 = 45,876.33 : x
  2. Step 2: Convert to fraction form
    84,117.51/116,081.71 = 45,876.33/x
  3. Step 3: Cross multiply
    84,117.51x = 116,081.71 × 45,876.33
  4. Step 4: Simplify right side
    84,117.51x = 5,325,402,720.23
  5. Step 5: Solve for x
    x = 5,325,402,720.23/84,117.51
  6. Step 6: Final answer
    x = 63,309.09

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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.