Home / 76,515.05-114,754.35-32,142.67

Finding the Fourth Proportional to 76,515.05, 114,754.35 and 32,142.67

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Solution

The fourth proportional to 76,515.05, 114,754.35 and 32,142.67 is: 48,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,515.05 : 114,754.35 = 32,142.67 : x
  2. Step 2: Convert to fraction form
    76,515.05/114,754.35 = 32,142.67/x
  3. Step 3: Cross multiply
    76,515.05x = 114,754.35 × 32,142.67
  4. Step 4: Simplify right side
    76,515.05x = 3,688,511,036.76
  5. Step 5: Solve for x
    x = 3,688,511,036.76/76,515.05
  6. Step 6: Final answer
    x = 48,206.35

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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.