Home / 75,084.62-112,561.70-30,683.07

Finding the Fourth Proportional to 75,084.62, 112,561.70 and 30,683.07

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Solution

The fourth proportional to 75,084.62, 112,561.70 and 30,683.07 is: 45,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.62 : 112,561.70 = 30,683.07 : x
  2. Step 2: Convert to fraction form
    75,084.62/112,561.70 = 30,683.07/x
  3. Step 3: Cross multiply
    75,084.62x = 112,561.70 × 30,683.07
  4. Step 4: Simplify right side
    75,084.62x = 3,453,738,367.00
  5. Step 5: Solve for x
    x = 3,453,738,367.00/75,084.62
  6. Step 6: Final answer
    x = 45,997.95

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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.