Home / 55,826.30-76,815.20-54,497.70

Finding the Fourth Proportional to 55,826.30, 76,815.20 and 54,497.70

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Solution

The fourth proportional to 55,826.30, 76,815.20 and 54,497.70 is: 74,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,826.30 : 76,815.20 = 54,497.70 : x
  2. Step 2: Convert to fraction form
    55,826.30/76,815.20 = 54,497.70/x
  3. Step 3: Cross multiply
    55,826.30x = 76,815.20 × 54,497.70
  4. Step 4: Simplify right side
    55,826.30x = 4,186,251,861.28
  5. Step 5: Solve for x
    x = 4,186,251,861.28/55,826.30
  6. Step 6: Final answer
    x = 74,987.09

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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.