Home / 74,175.28-111,274.08-21,577.84

Finding the Fourth Proportional to 74,175.28, 111,274.08 and 21,577.84

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Solution

The fourth proportional to 74,175.28, 111,274.08 and 21,577.84 is: 32,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,175.28 : 111,274.08 = 21,577.84 : x
  2. Step 2: Convert to fraction form
    74,175.28/111,274.08 = 21,577.84/x
  3. Step 3: Cross multiply
    74,175.28x = 111,274.08 × 21,577.84
  4. Step 4: Simplify right side
    74,175.28x = 2,401,054,294.39
  5. Step 5: Solve for x
    x = 2,401,054,294.39/74,175.28
  6. Step 6: Final answer
    x = 32,370.01

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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.