Home / 74,636.10-111,952.32-30,250.92

Finding the Fourth Proportional to 74,636.10, 111,952.32 and 30,250.92

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Solution

The fourth proportional to 74,636.10, 111,952.32 and 30,250.92 is: 45,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,636.10 : 111,952.32 = 30,250.92 : x
  2. Step 2: Convert to fraction form
    74,636.10/111,952.32 = 30,250.92/x
  3. Step 3: Cross multiply
    74,636.10x = 111,952.32 × 30,250.92
  4. Step 4: Simplify right side
    74,636.10x = 3,386,660,676.13
  5. Step 5: Solve for x
    x = 3,386,660,676.13/74,636.10
  6. Step 6: Final answer
    x = 45,375.64

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1.5x scale

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.