Home / 56,428.48-77,855.88-35,211.16

Finding the Fourth Proportional to 56,428.48, 77,855.88 and 35,211.16

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Solution

The fourth proportional to 56,428.48, 77,855.88 and 35,211.16 is: 48,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428.48 : 77,855.88 = 35,211.16 : x
  2. Step 2: Convert to fraction form
    56,428.48/77,855.88 = 35,211.16/x
  3. Step 3: Cross multiply
    56,428.48x = 77,855.88 × 35,211.16
  4. Step 4: Simplify right side
    56,428.48x = 2,741,395,847.62
  5. Step 5: Solve for x
    x = 2,741,395,847.62/56,428.48
  6. Step 6: Final answer
    x = 48,581.78

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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.