Home / 56,635.44-78,178.68-37,765.68

Finding the Fourth Proportional to 56,635.44, 78,178.68 and 37,765.68

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Solution

The fourth proportional to 56,635.44, 78,178.68 and 37,765.68 is: 52,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,635.44 : 78,178.68 = 37,765.68 : x
  2. Step 2: Convert to fraction form
    56,635.44/78,178.68 = 37,765.68/x
  3. Step 3: Cross multiply
    56,635.44x = 78,178.68 × 37,765.68
  4. Step 4: Simplify right side
    56,635.44x = 2,952,471,011.70
  5. Step 5: Solve for x
    x = 2,952,471,011.70/56,635.44
  6. Step 6: Final answer
    x = 52,131.16

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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.