Home / 75,482.12-113,197.26-28,748.36

Finding the Fourth Proportional to 75,482.12, 113,197.26 and 28,748.36

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Solution

The fourth proportional to 75,482.12, 113,197.26 and 28,748.36 is: 43,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,482.12 : 113,197.26 = 28,748.36 : x
  2. Step 2: Convert to fraction form
    75,482.12/113,197.26 = 28,748.36/x
  3. Step 3: Cross multiply
    75,482.12x = 113,197.26 × 28,748.36
  4. Step 4: Simplify right side
    75,482.12x = 3,254,235,581.49
  5. Step 5: Solve for x
    x = 3,254,235,581.49/75,482.12
  6. Step 6: Final answer
    x = 43,112.67

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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.