Home / 82,362.20-123,543.30-48,682.40

Finding the Fourth Proportional to 82,362.20, 123,543.30 and 48,682.40

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Solution

The fourth proportional to 82,362.20, 123,543.30 and 48,682.40 is: 73,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,362.20 : 123,543.30 = 48,682.40 : x
  2. Step 2: Convert to fraction form
    82,362.20/123,543.30 = 48,682.40/x
  3. Step 3: Cross multiply
    82,362.20x = 123,543.30 × 48,682.40
  4. Step 4: Simplify right side
    82,362.20x = 6,014,384,347.92
  5. Step 5: Solve for x
    x = 6,014,384,347.92/82,362.20
  6. Step 6: Final answer
    x = 73,023.60

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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.