Home / 89,903.97-124,063.27-51,636.60

Finding the Fourth Proportional to 89,903.97, 124,063.27 and 51,636.60

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Solution

The fourth proportional to 89,903.97, 124,063.27 and 51,636.60 is: 71,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,903.97 : 124,063.27 = 51,636.60 : x
  2. Step 2: Convert to fraction form
    89,903.97/124,063.27 = 51,636.60/x
  3. Step 3: Cross multiply
    89,903.97x = 124,063.27 × 51,636.60
  4. Step 4: Simplify right side
    89,903.97x = 6,406,205,447.68
  5. Step 5: Solve for x
    x = 6,406,205,447.68/89,903.97
  6. Step 6: Final answer
    x = 71,256.09

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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.