Home / 57,192.12-85,778.58-15,631.80

Finding the Fourth Proportional to 57,192.12, 85,778.58 and 15,631.80

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Solution

The fourth proportional to 57,192.12, 85,778.58 and 15,631.80 is: 23,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192.12 : 85,778.58 = 15,631.80 : x
  2. Step 2: Convert to fraction form
    57,192.12/85,778.58 = 15,631.80/x
  3. Step 3: Cross multiply
    57,192.12x = 85,778.58 × 15,631.80
  4. Step 4: Simplify right side
    57,192.12x = 1,340,873,606.84
  5. Step 5: Solve for x
    x = 1,340,873,606.84/57,192.12
  6. Step 6: Final answer
    x = 23,445.08

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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.