Home / 75,729.07-104,506.52-43,461.11

Finding the Fourth Proportional to 75,729.07, 104,506.52 and 43,461.11

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Solution

The fourth proportional to 75,729.07, 104,506.52 and 43,461.11 is: 59,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.07 : 104,506.52 = 43,461.11 : x
  2. Step 2: Convert to fraction form
    75,729.07/104,506.52 = 43,461.11/x
  3. Step 3: Cross multiply
    75,729.07x = 104,506.52 × 43,461.11
  4. Step 4: Simplify right side
    75,729.07x = 4,541,969,361.44
  5. Step 5: Solve for x
    x = 4,541,969,361.44/75,729.07
  6. Step 6: Final answer
    x = 59,976.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.