Home / 85,537.08-128,291.04-23,193

Finding the Fourth Proportional to 85,537.08, 128,291.04 and 23,193

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Solution

The fourth proportional to 85,537.08, 128,291.04 and 23,193 is: 34,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,537.08 : 128,291.04 = 23,193 : x
  2. Step 2: Convert to fraction form
    85,537.08/128,291.04 = 23,193/x
  3. Step 3: Cross multiply
    85,537.08x = 128,291.04 × 23,193
  4. Step 4: Simplify right side
    85,537.08x = 2,975,454,090.72
  5. Step 5: Solve for x
    x = 2,975,454,090.72/85,537.08
  6. Step 6: Final answer
    x = 34,785.55

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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.