Home / 66,837.36-100,224.02-22,451.78

Finding the Fourth Proportional to 66,837.36, 100,224.02 and 22,451.78

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Solution

The fourth proportional to 66,837.36, 100,224.02 and 22,451.78 is: 33,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,837.36 : 100,224.02 = 22,451.78 : x
  2. Step 2: Convert to fraction form
    66,837.36/100,224.02 = 22,451.78/x
  3. Step 3: Cross multiply
    66,837.36x = 100,224.02 × 22,451.78
  4. Step 4: Simplify right side
    66,837.36x = 2,250,207,647.76
  5. Step 5: Solve for x
    x = 2,250,207,647.76/66,837.36
  6. Step 6: Final answer
    x = 33,666.91

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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.