Home / 125,724.24-173,500.68-69,136

Finding the Fourth Proportional to 125,724.24, 173,500.68 and 69,136

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Solution

The fourth proportional to 125,724.24, 173,500.68 and 69,136 is: 95,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,724.24 : 173,500.68 = 69,136 : x
  2. Step 2: Convert to fraction form
    125,724.24/173,500.68 = 69,136/x
  3. Step 3: Cross multiply
    125,724.24x = 173,500.68 × 69,136
  4. Step 4: Simplify right side
    125,724.24x = 11,995,143,012.48
  5. Step 5: Solve for x
    x = 11,995,143,012.48/125,724.24
  6. Step 6: Final answer
    x = 95,408.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.