Home / 66,103.20-99,153.12-16,182.84

Finding the Fourth Proportional to 66,103.20, 99,153.12 and 16,182.84

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Solution

The fourth proportional to 66,103.20, 99,153.12 and 16,182.84 is: 24,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,103.20 : 99,153.12 = 16,182.84 : x
  2. Step 2: Convert to fraction form
    66,103.20/99,153.12 = 16,182.84/x
  3. Step 3: Cross multiply
    66,103.20x = 99,153.12 × 16,182.84
  4. Step 4: Simplify right side
    66,103.20x = 1,604,579,076.46
  5. Step 5: Solve for x
    x = 1,604,579,076.46/66,103.20
  6. Step 6: Final answer
    x = 24,273.85

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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.