Home / 85,141.28-117,504.20-46,904.75

Finding the Fourth Proportional to 85,141.28, 117,504.20 and 46,904.75

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Solution

The fourth proportional to 85,141.28, 117,504.20 and 46,904.75 is: 64,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,141.28 : 117,504.20 = 46,904.75 : x
  2. Step 2: Convert to fraction form
    85,141.28/117,504.20 = 46,904.75/x
  3. Step 3: Cross multiply
    85,141.28x = 117,504.20 × 46,904.75
  4. Step 4: Simplify right side
    85,141.28x = 5,511,504,666.25
  5. Step 5: Solve for x
    x = 5,511,504,666.25/85,141.28
  6. Step 6: Final answer
    x = 64,733.64

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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.