Home / 56,495.84-77,961.16-32,621.12

Finding the Fourth Proportional to 56,495.84, 77,961.16 and 32,621.12

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Solution

The fourth proportional to 56,495.84, 77,961.16 and 32,621.12 is: 45,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.84 : 77,961.16 = 32,621.12 : x
  2. Step 2: Convert to fraction form
    56,495.84/77,961.16 = 32,621.12/x
  3. Step 3: Cross multiply
    56,495.84x = 77,961.16 × 32,621.12
  4. Step 4: Simplify right side
    56,495.84x = 2,543,180,355.70
  5. Step 5: Solve for x
    x = 2,543,180,355.70/56,495.84
  6. Step 6: Final answer
    x = 45,015.36

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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.