Home / 66,400.16-99,618.00-28,963.27

Finding the Fourth Proportional to 66,400.16, 99,618.00 and 28,963.27

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Solution

The fourth proportional to 66,400.16, 99,618.00 and 28,963.27 is: 43,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400.16 : 99,618.00 = 28,963.27 : x
  2. Step 2: Convert to fraction form
    66,400.16/99,618.00 = 28,963.27/x
  3. Step 3: Cross multiply
    66,400.16x = 99,618.00 × 28,963.27
  4. Step 4: Simplify right side
    66,400.16x = 2,885,263,209.69
  5. Step 5: Solve for x
    x = 2,885,263,209.69/66,400.16
  6. Step 6: Final answer
    x = 43,452.66

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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.