Home / 66,800.84-92,184.30-38,119.76

Finding the Fourth Proportional to 66,800.84, 92,184.30 and 38,119.76

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Solution

The fourth proportional to 66,800.84, 92,184.30 and 38,119.76 is: 52,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,800.84 : 92,184.30 = 38,119.76 : x
  2. Step 2: Convert to fraction form
    66,800.84/92,184.30 = 38,119.76/x
  3. Step 3: Cross multiply
    66,800.84x = 92,184.30 × 38,119.76
  4. Step 4: Simplify right side
    66,800.84x = 3,514,043,391.77
  5. Step 5: Solve for x
    x = 3,514,043,391.77/66,800.84
  6. Step 6: Final answer
    x = 52,604.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.