Home / 55,690.72-76,382.68-52,678.24

Finding the Fourth Proportional to 55,690.72, 76,382.68 and 52,678.24

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Solution

The fourth proportional to 55,690.72, 76,382.68 and 52,678.24 is: 72,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690.72 : 76,382.68 = 52,678.24 : x
  2. Step 2: Convert to fraction form
    55,690.72/76,382.68 = 52,678.24/x
  3. Step 3: Cross multiply
    55,690.72x = 76,382.68 × 52,678.24
  4. Step 4: Simplify right side
    55,690.72x = 4,023,705,148.88
  5. Step 5: Solve for x
    x = 4,023,705,148.88/55,690.72
  6. Step 6: Final answer
    x = 72,250.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.