Home / 66,557.43-99,814.59-22,173.80

Finding the Fourth Proportional to 66,557.43, 99,814.59 and 22,173.80

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Solution

The fourth proportional to 66,557.43, 99,814.59 and 22,173.80 is: 33,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,557.43 : 99,814.59 = 22,173.80 : x
  2. Step 2: Convert to fraction form
    66,557.43/99,814.59 = 22,173.80/x
  3. Step 3: Cross multiply
    66,557.43x = 99,814.59 × 22,173.80
  4. Step 4: Simplify right side
    66,557.43x = 2,213,268,256.67
  5. Step 5: Solve for x
    x = 2,213,268,256.67/66,557.43
  6. Step 6: Final answer
    x = 33,253.51

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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.