Home / 74,867.36-112,300.70-30,497.36

Finding the Fourth Proportional to 74,867.36, 112,300.70 and 30,497.36

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Solution

The fourth proportional to 74,867.36, 112,300.70 and 30,497.36 is: 45,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,867.36 : 112,300.70 = 30,497.36 : x
  2. Step 2: Convert to fraction form
    74,867.36/112,300.70 = 30,497.36/x
  3. Step 3: Cross multiply
    74,867.36x = 112,300.70 × 30,497.36
  4. Step 4: Simplify right side
    74,867.36x = 3,424,874,162.16
  5. Step 5: Solve for x
    x = 3,424,874,162.16/74,867.36
  6. Step 6: Final answer
    x = 45,745.90

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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.