Home / 65,876.09-98,584.49-53,891.33

Finding the Fourth Proportional to 65,876.09, 98,584.49 and 53,891.33

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Solution

The fourth proportional to 65,876.09, 98,584.49 and 53,891.33 is: 80,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,876.09 : 98,584.49 = 53,891.33 : x
  2. Step 2: Convert to fraction form
    65,876.09/98,584.49 = 53,891.33/x
  3. Step 3: Cross multiply
    65,876.09x = 98,584.49 × 53,891.33
  4. Step 4: Simplify right side
    65,876.09x = 5,312,848,925.28
  5. Step 5: Solve for x
    x = 5,312,848,925.28/65,876.09
  6. Step 6: Final answer
    x = 80,649.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.