Home / 66,888.20-100,347.10-22,513.50

Finding the Fourth Proportional to 66,888.20, 100,347.10 and 22,513.50

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Solution

The fourth proportional to 66,888.20, 100,347.10 and 22,513.50 is: 33,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,888.20 : 100,347.10 = 22,513.50 : x
  2. Step 2: Convert to fraction form
    66,888.20/100,347.10 = 22,513.50/x
  3. Step 3: Cross multiply
    66,888.20x = 100,347.10 × 22,513.50
  4. Step 4: Simplify right side
    66,888.20x = 2,259,164,379.57
  5. Step 5: Solve for x
    x = 2,259,164,379.57/66,888.20
  6. Step 6: Final answer
    x = 33,775.23

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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.