Home / 85,146.58-117,527.72-49,352.68

Finding the Fourth Proportional to 85,146.58, 117,527.72 and 49,352.68

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Solution

The fourth proportional to 85,146.58, 117,527.72 and 49,352.68 is: 68,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,146.58 : 117,527.72 = 49,352.68 : x
  2. Step 2: Convert to fraction form
    85,146.58/117,527.72 = 49,352.68/x
  3. Step 3: Cross multiply
    85,146.58x = 117,527.72 × 49,352.68
  4. Step 4: Simplify right side
    85,146.58x = 5,800,307,956.29
  5. Step 5: Solve for x
    x = 5,800,307,956.29/85,146.58
  6. Step 6: Final answer
    x = 68,121.44

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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.