Home / 74,242.98-111,355.43-21,652.52

Finding the Fourth Proportional to 74,242.98, 111,355.43 and 21,652.52

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Solution

The fourth proportional to 74,242.98, 111,355.43 and 21,652.52 is: 32,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,242.98 : 111,355.43 = 21,652.52 : x
  2. Step 2: Convert to fraction form
    74,242.98/111,355.43 = 21,652.52/x
  3. Step 3: Cross multiply
    74,242.98x = 111,355.43 × 21,652.52
  4. Step 4: Simplify right side
    74,242.98x = 2,411,125,010.14
  5. Step 5: Solve for x
    x = 2,411,125,010.14/74,242.98
  6. Step 6: Final answer
    x = 32,476.13

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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.