Home / 85,273.08-117,751.14-53,496.60

Finding the Fourth Proportional to 85,273.08, 117,751.14 and 53,496.60

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Solution

The fourth proportional to 85,273.08, 117,751.14 and 53,496.60 is: 73,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,273.08 : 117,751.14 = 53,496.60 : x
  2. Step 2: Convert to fraction form
    85,273.08/117,751.14 = 53,496.60/x
  3. Step 3: Cross multiply
    85,273.08x = 117,751.14 × 53,496.60
  4. Step 4: Simplify right side
    85,273.08x = 6,299,285,636.12
  5. Step 5: Solve for x
    x = 6,299,285,636.12/85,273.08
  6. Step 6: Final answer
    x = 73,871.91

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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.