Home / 75,455.15-113,112.36-25,500.30

Finding the Fourth Proportional to 75,455.15, 113,112.36 and 25,500.30

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Solution

The fourth proportional to 75,455.15, 113,112.36 and 25,500.30 is: 38,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,455.15 : 113,112.36 = 25,500.30 : x
  2. Step 2: Convert to fraction form
    75,455.15/113,112.36 = 25,500.30/x
  3. Step 3: Cross multiply
    75,455.15x = 113,112.36 × 25,500.30
  4. Step 4: Simplify right side
    75,455.15x = 2,884,399,113.71
  5. Step 5: Solve for x
    x = 2,884,399,113.71/75,455.15
  6. Step 6: Final answer
    x = 38,226.67

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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.