Home / 75,197.18-112,809.98-30,222.03

Finding the Fourth Proportional to 75,197.18, 112,809.98 and 30,222.03

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Solution

The fourth proportional to 75,197.18, 112,809.98 and 30,222.03 is: 45,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,197.18 : 112,809.98 = 30,222.03 : x
  2. Step 2: Convert to fraction form
    75,197.18/112,809.98 = 30,222.03/x
  3. Step 3: Cross multiply
    75,197.18x = 112,809.98 × 30,222.03
  4. Step 4: Simplify right side
    75,197.18x = 3,409,346,448.75
  5. Step 5: Solve for x
    x = 3,409,346,448.75/75,197.18
  6. Step 6: Final answer
    x = 45,338.76

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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.