Home / 66,173.71-99,260.33-28,728.89

Finding the Fourth Proportional to 66,173.71, 99,260.33 and 28,728.89

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Solution

The fourth proportional to 66,173.71, 99,260.33 and 28,728.89 is: 43,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,173.71 : 99,260.33 = 28,728.89 : x
  2. Step 2: Convert to fraction form
    66,173.71/99,260.33 = 28,728.89/x
  3. Step 3: Cross multiply
    66,173.71x = 99,260.33 × 28,728.89
  4. Step 4: Simplify right side
    66,173.71x = 2,851,639,206.44
  5. Step 5: Solve for x
    x = 2,851,639,206.44/66,173.71
  6. Step 6: Final answer
    x = 43,093.24

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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.