Home / 66,113.36-99,169.56-26,642.54

Finding the Fourth Proportional to 66,113.36, 99,169.56 and 26,642.54

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Solution

The fourth proportional to 66,113.36, 99,169.56 and 26,642.54 is: 39,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113.36 : 99,169.56 = 26,642.54 : x
  2. Step 2: Convert to fraction form
    66,113.36/99,169.56 = 26,642.54/x
  3. Step 3: Cross multiply
    66,113.36x = 99,169.56 × 26,642.54
  4. Step 4: Simplify right side
    66,113.36x = 2,642,128,969.08
  5. Step 5: Solve for x
    x = 2,642,128,969.08/66,113.36
  6. Step 6: Final answer
    x = 39,963.62

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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.