Home / 66,910.56-92,159.10-49,860.12

Finding the Fourth Proportional to 66,910.56, 92,159.10 and 49,860.12

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Solution

The fourth proportional to 66,910.56, 92,159.10 and 49,860.12 is: 68,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.56 : 92,159.10 = 49,860.12 : x
  2. Step 2: Convert to fraction form
    66,910.56/92,159.10 = 49,860.12/x
  3. Step 3: Cross multiply
    66,910.56x = 92,159.10 × 49,860.12
  4. Step 4: Simplify right side
    66,910.56x = 4,595,063,785.09
  5. Step 5: Solve for x
    x = 4,595,063,785.09/66,910.56
  6. Step 6: Final answer
    x = 68,674.72

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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.