Home / 66,818.45-92,209.57-36,603.11

Finding the Fourth Proportional to 66,818.45, 92,209.57 and 36,603.11

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Solution

The fourth proportional to 66,818.45, 92,209.57 and 36,603.11 is: 50,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,818.45 : 92,209.57 = 36,603.11 : x
  2. Step 2: Convert to fraction form
    66,818.45/92,209.57 = 36,603.11/x
  3. Step 3: Cross multiply
    66,818.45x = 92,209.57 × 36,603.11
  4. Step 4: Simplify right side
    66,818.45x = 3,375,157,286.29
  5. Step 5: Solve for x
    x = 3,375,157,286.29/66,818.45
  6. Step 6: Final answer
    x = 50,512.35

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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.