Home / 45,279.92-67,933.66-14,115.44

Finding the Fourth Proportional to 45,279.92, 67,933.66 and 14,115.44

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Solution

The fourth proportional to 45,279.92, 67,933.66 and 14,115.44 is: 21,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,279.92 : 67,933.66 = 14,115.44 : x
  2. Step 2: Convert to fraction form
    45,279.92/67,933.66 = 14,115.44/x
  3. Step 3: Cross multiply
    45,279.92x = 67,933.66 × 14,115.44
  4. Step 4: Simplify right side
    45,279.92x = 958,913,501.71
  5. Step 5: Solve for x
    x = 958,913,501.71/45,279.92
  6. Step 6: Final answer
    x = 21,177.46

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1.5x scale

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.