Home / 84,736.60-127,056.30-25,563.40

Finding the Fourth Proportional to 84,736.60, 127,056.30 and 25,563.40

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Solution

The fourth proportional to 84,736.60, 127,056.30 and 25,563.40 is: 38,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,736.60 : 127,056.30 = 25,563.40 : x
  2. Step 2: Convert to fraction form
    84,736.60/127,056.30 = 25,563.40/x
  3. Step 3: Cross multiply
    84,736.60x = 127,056.30 × 25,563.40
  4. Step 4: Simplify right side
    84,736.60x = 3,247,991,019.42
  5. Step 5: Solve for x
    x = 3,247,991,019.42/84,736.60
  6. Step 6: Final answer
    x = 38,330.44

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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.