Home / 56,553.36-78,037.74-32,687.70

Finding the Fourth Proportional to 56,553.36, 78,037.74 and 32,687.70

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Solution

The fourth proportional to 56,553.36, 78,037.74 and 32,687.70 is: 45,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,553.36 : 78,037.74 = 32,687.70 : x
  2. Step 2: Convert to fraction form
    56,553.36/78,037.74 = 32,687.70/x
  3. Step 3: Cross multiply
    56,553.36x = 78,037.74 × 32,687.70
  4. Step 4: Simplify right side
    56,553.36x = 2,550,874,233.80
  5. Step 5: Solve for x
    x = 2,550,874,233.80/56,553.36
  6. Step 6: Final answer
    x = 45,105.62

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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.