Home / 48,678.78-67,176.72-26,322.78

Finding the Fourth Proportional to 48,678.78, 67,176.72 and 26,322.78

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Solution

The fourth proportional to 48,678.78, 67,176.72 and 26,322.78 is: 36,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.78 : 67,176.72 = 26,322.78 : x
  2. Step 2: Convert to fraction form
    48,678.78/67,176.72 = 26,322.78/x
  3. Step 3: Cross multiply
    48,678.78x = 67,176.72 × 26,322.78
  4. Step 4: Simplify right side
    48,678.78x = 1,768,278,021.68
  5. Step 5: Solve for x
    x = 1,768,278,021.68/48,678.78
  6. Step 6: Final answer
    x = 36,325.44

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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.