Home / 84,783.08-127,153.56-25,614.20

Finding the Fourth Proportional to 84,783.08, 127,153.56 and 25,614.20

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Solution

The fourth proportional to 84,783.08, 127,153.56 and 25,614.20 is: 38,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,783.08 : 127,153.56 = 25,614.20 : x
  2. Step 2: Convert to fraction form
    84,783.08/127,153.56 = 25,614.20/x
  3. Step 3: Cross multiply
    84,783.08x = 127,153.56 × 25,614.20
  4. Step 4: Simplify right side
    84,783.08x = 3,256,936,716.55
  5. Step 5: Solve for x
    x = 3,256,936,716.55/84,783.08
  6. Step 6: Final answer
    x = 38,414.94

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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.