Home / 91,274.63-136,924.92-28,100.03

Finding the Fourth Proportional to 91,274.63, 136,924.92 and 28,100.03

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Solution

The fourth proportional to 91,274.63, 136,924.92 and 28,100.03 is: 42,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,274.63 : 136,924.92 = 28,100.03 : x
  2. Step 2: Convert to fraction form
    91,274.63/136,924.92 = 28,100.03/x
  3. Step 3: Cross multiply
    91,274.63x = 136,924.92 × 28,100.03
  4. Step 4: Simplify right side
    91,274.63x = 3,847,593,675.12
  5. Step 5: Solve for x
    x = 3,847,593,675.12/91,274.63
  6. Step 6: Final answer
    x = 42,154.03

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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.