Home / 74,660.39-103,023.86-45,975.45

Finding the Fourth Proportional to 74,660.39, 103,023.86 and 45,975.45

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Solution

The fourth proportional to 74,660.39, 103,023.86 and 45,975.45 is: 63,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660.39 : 103,023.86 = 45,975.45 : x
  2. Step 2: Convert to fraction form
    74,660.39/103,023.86 = 45,975.45/x
  3. Step 3: Cross multiply
    74,660.39x = 103,023.86 × 45,975.45
  4. Step 4: Simplify right side
    74,660.39x = 4,736,568,324.24
  5. Step 5: Solve for x
    x = 4,736,568,324.24/74,660.39
  6. Step 6: Final answer
    x = 63,441.52

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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.