Home / 83,877.28-125,816.69-23,905.64

Finding the Fourth Proportional to 83,877.28, 125,816.69 and 23,905.64

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Solution

The fourth proportional to 83,877.28, 125,816.69 and 23,905.64 is: 35,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,877.28 : 125,816.69 = 23,905.64 : x
  2. Step 2: Convert to fraction form
    83,877.28/125,816.69 = 23,905.64/x
  3. Step 3: Cross multiply
    83,877.28x = 125,816.69 × 23,905.64
  4. Step 4: Simplify right side
    83,877.28x = 3,007,728,100.91
  5. Step 5: Solve for x
    x = 3,007,728,100.91/83,877.28
  6. Step 6: Final answer
    x = 35,858.68

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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.