Home / 66,971.09-100,386.77-22,582.58

Finding the Fourth Proportional to 66,971.09, 100,386.77 and 22,582.58

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Solution

The fourth proportional to 66,971.09, 100,386.77 and 22,582.58 is: 33,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,971.09 : 100,386.77 = 22,582.58 : x
  2. Step 2: Convert to fraction form
    66,971.09/100,386.77 = 22,582.58/x
  3. Step 3: Cross multiply
    66,971.09x = 100,386.77 × 22,582.58
  4. Step 4: Simplify right side
    66,971.09x = 2,266,991,649.62
  5. Step 5: Solve for x
    x = 2,266,991,649.62/66,971.09
  6. Step 6: Final answer
    x = 33,850.30

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1.5x scale

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.