Home / 85,078.53-127,588.01-25,091.08

Finding the Fourth Proportional to 85,078.53, 127,588.01 and 25,091.08

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Solution

The fourth proportional to 85,078.53, 127,588.01 and 25,091.08 is: 37,627.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,078.53 : 127,588.01 = 25,091.08 : x
  2. Step 2: Convert to fraction form
    85,078.53/127,588.01 = 25,091.08/x
  3. Step 3: Cross multiply
    85,078.53x = 127,588.01 × 25,091.08
  4. Step 4: Simplify right side
    85,078.53x = 3,201,320,521.53
  5. Step 5: Solve for x
    x = 3,201,320,521.53/85,078.53
  6. Step 6: Final answer
    x = 37,627.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.