Home / 70,905.52-106,364.04-25,921.84

Finding the Fourth Proportional to 70,905.52, 106,364.04 and 25,921.84

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Solution

The fourth proportional to 70,905.52, 106,364.04 and 25,921.84 is: 38,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.52 : 106,364.04 = 25,921.84 : x
  2. Step 2: Convert to fraction form
    70,905.52/106,364.04 = 25,921.84/x
  3. Step 3: Cross multiply
    70,905.52x = 106,364.04 × 25,921.84
  4. Step 4: Simplify right side
    70,905.52x = 2,757,151,626.63
  5. Step 5: Solve for x
    x = 2,757,151,626.63/70,905.52
  6. Step 6: Final answer
    x = 38,884.87

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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.