Home / 58,423.70-80,635.20-55,761.37

Finding the Fourth Proportional to 58,423.70, 80,635.20 and 55,761.37

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Solution

The fourth proportional to 58,423.70, 80,635.20 and 55,761.37 is: 76,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,423.70 : 80,635.20 = 55,761.37 : x
  2. Step 2: Convert to fraction form
    58,423.70/80,635.20 = 55,761.37/x
  3. Step 3: Cross multiply
    58,423.70x = 80,635.20 × 55,761.37
  4. Step 4: Simplify right side
    58,423.70x = 4,496,328,819.05
  5. Step 5: Solve for x
    x = 4,496,328,819.05/58,423.70
  6. Step 6: Final answer
    x = 76,960.70

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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.