Home / 82,433.46-123,666.60-26,271.75

Finding the Fourth Proportional to 82,433.46, 123,666.60 and 26,271.75

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Solution

The fourth proportional to 82,433.46, 123,666.60 and 26,271.75 is: 39,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,433.46 : 123,666.60 = 26,271.75 : x
  2. Step 2: Convert to fraction form
    82,433.46/123,666.60 = 26,271.75/x
  3. Step 3: Cross multiply
    82,433.46x = 123,666.60 × 26,271.75
  4. Step 4: Simplify right side
    82,433.46x = 3,248,937,998.55
  5. Step 5: Solve for x
    x = 3,248,937,998.55/82,433.46
  6. Step 6: Final answer
    x = 39,412.85

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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.