Home / 82,219.30-123,315.04-23,041.35

Finding the Fourth Proportional to 82,219.30, 123,315.04 and 23,041.35

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Solution

The fourth proportional to 82,219.30, 123,315.04 and 23,041.35 is: 34,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,219.30 : 123,315.04 = 23,041.35 : x
  2. Step 2: Convert to fraction form
    82,219.30/123,315.04 = 23,041.35/x
  3. Step 3: Cross multiply
    82,219.30x = 123,315.04 × 23,041.35
  4. Step 4: Simplify right side
    82,219.30x = 2,841,344,996.90
  5. Step 5: Solve for x
    x = 2,841,344,996.90/82,219.30
  6. Step 6: Final answer
    x = 34,558.13

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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.