Home / 85,453.92-117,922.76-49,152.60

Finding the Fourth Proportional to 85,453.92, 117,922.76 and 49,152.60

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Solution

The fourth proportional to 85,453.92, 117,922.76 and 49,152.60 is: 67,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,453.92 : 117,922.76 = 49,152.60 : x
  2. Step 2: Convert to fraction form
    85,453.92/117,922.76 = 49,152.60/x
  3. Step 3: Cross multiply
    85,453.92x = 117,922.76 × 49,152.60
  4. Step 4: Simplify right side
    85,453.92x = 5,796,210,253.18
  5. Step 5: Solve for x
    x = 5,796,210,253.18/85,453.92
  6. Step 6: Final answer
    x = 67,828.49

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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.