Home / 57,624.20-86,525.40-31,380.20

Finding the Fourth Proportional to 57,624.20, 86,525.40 and 31,380.20

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Solution

The fourth proportional to 57,624.20, 86,525.40 and 31,380.20 is: 47,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,624.20 : 86,525.40 = 31,380.20 : x
  2. Step 2: Convert to fraction form
    57,624.20/86,525.40 = 31,380.20/x
  3. Step 3: Cross multiply
    57,624.20x = 86,525.40 × 31,380.20
  4. Step 4: Simplify right side
    57,624.20x = 2,715,184,357.08
  5. Step 5: Solve for x
    x = 2,715,184,357.08/57,624.20
  6. Step 6: Final answer
    x = 47,118.82

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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.