Home / 75,035.18-112,552.94-30,661.93

Finding the Fourth Proportional to 75,035.18, 112,552.94 and 30,661.93

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Solution

The fourth proportional to 75,035.18, 112,552.94 and 30,661.93 is: 45,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,035.18 : 112,552.94 = 30,661.93 : x
  2. Step 2: Convert to fraction form
    75,035.18/112,552.94 = 30,661.93/x
  3. Step 3: Cross multiply
    75,035.18x = 112,552.94 × 30,661.93
  4. Step 4: Simplify right side
    75,035.18x = 3,451,089,951.81
  5. Step 5: Solve for x
    x = 3,451,089,951.81/75,035.18
  6. Step 6: Final answer
    x = 45,992.96

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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.