Home / 66,162.49-99,243.58-28,717.71

Finding the Fourth Proportional to 66,162.49, 99,243.58 and 28,717.71

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Solution

The fourth proportional to 66,162.49, 99,243.58 and 28,717.71 is: 43,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,162.49 : 99,243.58 = 28,717.71 : x
  2. Step 2: Convert to fraction form
    66,162.49/99,243.58 = 28,717.71/x
  3. Step 3: Cross multiply
    66,162.49x = 99,243.58 × 28,717.71
  4. Step 4: Simplify right side
    66,162.49x = 2,850,048,349.80
  5. Step 5: Solve for x
    x = 2,850,048,349.80/66,162.49
  6. Step 6: Final answer
    x = 43,076.50

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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.