Home / 82,482.12-123,730.11-26,330.24

Finding the Fourth Proportional to 82,482.12, 123,730.11 and 26,330.24

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Solution

The fourth proportional to 82,482.12, 123,730.11 and 26,330.24 is: 39,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,482.12 : 123,730.11 = 26,330.24 : x
  2. Step 2: Convert to fraction form
    82,482.12/123,730.11 = 26,330.24/x
  3. Step 3: Cross multiply
    82,482.12x = 123,730.11 × 26,330.24
  4. Step 4: Simplify right side
    82,482.12x = 3,257,843,800.85
  5. Step 5: Solve for x
    x = 3,257,843,800.85/82,482.12
  6. Step 6: Final answer
    x = 39,497.58

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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.