Home / 85,090.56-127,654.32-32,515.04

Finding the Fourth Proportional to 85,090.56, 127,654.32 and 32,515.04

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Solution

The fourth proportional to 85,090.56, 127,654.32 and 32,515.04 is: 48,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,090.56 : 127,654.32 = 32,515.04 : x
  2. Step 2: Convert to fraction form
    85,090.56/127,654.32 = 32,515.04/x
  3. Step 3: Cross multiply
    85,090.56x = 127,654.32 × 32,515.04
  4. Step 4: Simplify right side
    85,090.56x = 4,150,685,320.97
  5. Step 5: Solve for x
    x = 4,150,685,320.97/85,090.56
  6. Step 6: Final answer
    x = 48,779.62

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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.