Home / 74,241.24-111,378.24-21,654.84

Finding the Fourth Proportional to 74,241.24, 111,378.24 and 21,654.84

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Solution

The fourth proportional to 74,241.24, 111,378.24 and 21,654.84 is: 32,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,241.24 : 111,378.24 = 21,654.84 : x
  2. Step 2: Convert to fraction form
    74,241.24/111,378.24 = 21,654.84/x
  3. Step 3: Cross multiply
    74,241.24x = 111,378.24 × 21,654.84
  4. Step 4: Simplify right side
    74,241.24x = 2,411,877,966.68
  5. Step 5: Solve for x
    x = 2,411,877,966.68/74,241.24
  6. Step 6: Final answer
    x = 32,487.04

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1.5x scale

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.