Home / 74,416.86-111,367.85-45,942.12

Finding the Fourth Proportional to 74,416.86, 111,367.85 and 45,942.12

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Solution

The fourth proportional to 74,416.86, 111,367.85 and 45,942.12 is: 68,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.86 : 111,367.85 = 45,942.12 : x
  2. Step 2: Convert to fraction form
    74,416.86/111,367.85 = 45,942.12/x
  3. Step 3: Cross multiply
    74,416.86x = 111,367.85 × 45,942.12
  4. Step 4: Simplify right side
    74,416.86x = 5,116,475,128.84
  5. Step 5: Solve for x
    x = 5,116,475,128.84/74,416.86
  6. Step 6: Final answer
    x = 68,754.25

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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.