Home / 74,207.72-111,241.18-27,428.84

Finding the Fourth Proportional to 74,207.72, 111,241.18 and 27,428.84

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Solution

The fourth proportional to 74,207.72, 111,241.18 and 27,428.84 is: 41,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207.72 : 111,241.18 = 27,428.84 : x
  2. Step 2: Convert to fraction form
    74,207.72/111,241.18 = 27,428.84/x
  3. Step 3: Cross multiply
    74,207.72x = 111,241.18 × 27,428.84
  4. Step 4: Simplify right side
    74,207.72x = 3,051,216,527.63
  5. Step 5: Solve for x
    x = 3,051,216,527.63/74,207.72
  6. Step 6: Final answer
    x = 41,117.24

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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.