Home / 82,410.99-123,637.21-38,069.11

Finding the Fourth Proportional to 82,410.99, 123,637.21 and 38,069.11

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Solution

The fourth proportional to 82,410.99, 123,637.21 and 38,069.11 is: 57,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,410.99 : 123,637.21 = 38,069.11 : x
  2. Step 2: Convert to fraction form
    82,410.99/123,637.21 = 38,069.11/x
  3. Step 3: Cross multiply
    82,410.99x = 123,637.21 × 38,069.11
  4. Step 4: Simplify right side
    82,410.99x = 4,706,758,606.96
  5. Step 5: Solve for x
    x = 4,706,758,606.96/82,410.99
  6. Step 6: Final answer
    x = 57,113.24

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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.