Home / 48,687.99-67,194.54-28,545.72

Finding the Fourth Proportional to 48,687.99, 67,194.54 and 28,545.72

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Solution

The fourth proportional to 48,687.99, 67,194.54 and 28,545.72 is: 39,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.99 : 67,194.54 = 28,545.72 : x
  2. Step 2: Convert to fraction form
    48,687.99/67,194.54 = 28,545.72/x
  3. Step 3: Cross multiply
    48,687.99x = 67,194.54 × 28,545.72
  4. Step 4: Simplify right side
    48,687.99x = 1,918,116,524.37
  5. Step 5: Solve for x
    x = 1,918,116,524.37/48,687.99
  6. Step 6: Final answer
    x = 39,396.09

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1.5x scale

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.