Home / 74,455.36-111,684.84-21,864.76

Finding the Fourth Proportional to 74,455.36, 111,684.84 and 21,864.76

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Solution

The fourth proportional to 74,455.36, 111,684.84 and 21,864.76 is: 32,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,455.36 : 111,684.84 = 21,864.76 : x
  2. Step 2: Convert to fraction form
    74,455.36/111,684.84 = 21,864.76/x
  3. Step 3: Cross multiply
    74,455.36x = 111,684.84 × 21,864.76
  4. Step 4: Simplify right side
    74,455.36x = 2,441,962,222.24
  5. Step 5: Solve for x
    x = 2,441,962,222.24/74,455.36
  6. Step 6: Final answer
    x = 32,797.67

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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.