Home / 52,571.22-72,549.90-28,699.44

Finding the Fourth Proportional to 52,571.22, 72,549.90 and 28,699.44

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Solution

The fourth proportional to 52,571.22, 72,549.90 and 28,699.44 is: 39,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,571.22 : 72,549.90 = 28,699.44 : x
  2. Step 2: Convert to fraction form
    52,571.22/72,549.90 = 28,699.44/x
  3. Step 3: Cross multiply
    52,571.22x = 72,549.90 × 28,699.44
  4. Step 4: Simplify right side
    52,571.22x = 2,082,141,502.06
  5. Step 5: Solve for x
    x = 2,082,141,502.06/52,571.22
  6. Step 6: Final answer
    x = 39,606.11

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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.