Home / 58,855.92-81,155.20-55,123.44

Finding the Fourth Proportional to 58,855.92, 81,155.20 and 55,123.44

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Solution

The fourth proportional to 58,855.92, 81,155.20 and 55,123.44 is: 76,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,855.92 : 81,155.20 = 55,123.44 : x
  2. Step 2: Convert to fraction form
    58,855.92/81,155.20 = 55,123.44/x
  3. Step 3: Cross multiply
    58,855.92x = 81,155.20 × 55,123.44
  4. Step 4: Simplify right side
    58,855.92x = 4,473,553,797.89
  5. Step 5: Solve for x
    x = 4,473,553,797.89/58,855.92
  6. Step 6: Final answer
    x = 76,008.56

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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.