Home / 57,186.30-85,779.45-15,633.30

Finding the Fourth Proportional to 57,186.30, 85,779.45 and 15,633.30

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Solution

The fourth proportional to 57,186.30, 85,779.45 and 15,633.30 is: 23,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,186.30 : 85,779.45 = 15,633.30 : x
  2. Step 2: Convert to fraction form
    57,186.30/85,779.45 = 15,633.30/x
  3. Step 3: Cross multiply
    57,186.30x = 85,779.45 × 15,633.30
  4. Step 4: Simplify right side
    57,186.30x = 1,341,015,875.69
  5. Step 5: Solve for x
    x = 1,341,015,875.69/57,186.30
  6. Step 6: Final answer
    x = 23,449.95

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Similar ratio
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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.