Home / 57,877.40-86,816.10-34,160.60

Finding the Fourth Proportional to 57,877.40, 86,816.10 and 34,160.60

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Solution

The fourth proportional to 57,877.40, 86,816.10 and 34,160.60 is: 51,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,877.40 : 86,816.10 = 34,160.60 : x
  2. Step 2: Convert to fraction form
    57,877.40/86,816.10 = 34,160.60/x
  3. Step 3: Cross multiply
    57,877.40x = 86,816.10 × 34,160.60
  4. Step 4: Simplify right side
    57,877.40x = 2,965,690,065.66
  5. Step 5: Solve for x
    x = 2,965,690,065.66/57,877.40
  6. Step 6: Final answer
    x = 51,240.90

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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.