Home / 42,821.16-64,136.68-32,887.32

Finding the Fourth Proportional to 42,821.16, 64,136.68 and 32,887.32

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Solution

The fourth proportional to 42,821.16, 64,136.68 and 32,887.32 is: 49,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,821.16 : 64,136.68 = 32,887.32 : x
  2. Step 2: Convert to fraction form
    42,821.16/64,136.68 = 32,887.32/x
  3. Step 3: Cross multiply
    42,821.16x = 64,136.68 × 32,887.32
  4. Step 4: Simplify right side
    42,821.16x = 2,109,283,518.90
  5. Step 5: Solve for x
    x = 2,109,283,518.90/42,821.16
  6. Step 6: Final answer
    x = 49,257.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.