Home / 48,678.67-67,177.44-28,550.07

Finding the Fourth Proportional to 48,678.67, 67,177.44 and 28,550.07

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Solution

The fourth proportional to 48,678.67, 67,177.44 and 28,550.07 is: 39,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.67 : 67,177.44 = 28,550.07 : x
  2. Step 2: Convert to fraction form
    48,678.67/67,177.44 = 28,550.07/x
  3. Step 3: Cross multiply
    48,678.67x = 67,177.44 × 28,550.07
  4. Step 4: Simplify right side
    48,678.67x = 1,917,920,614.42
  5. Step 5: Solve for x
    x = 1,917,920,614.42/48,678.67
  6. Step 6: Final answer
    x = 39,399.61

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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.