Home / 83,544.33-125,187.49-56,420.36

Finding the Fourth Proportional to 83,544.33, 125,187.49 and 56,420.36

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Solution

The fourth proportional to 83,544.33, 125,187.49 and 56,420.36 is: 84,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,544.33 : 125,187.49 = 56,420.36 : x
  2. Step 2: Convert to fraction form
    83,544.33/125,187.49 = 56,420.36/x
  3. Step 3: Cross multiply
    83,544.33x = 125,187.49 × 56,420.36
  4. Step 4: Simplify right side
    83,544.33x = 7,063,123,425.21
  5. Step 5: Solve for x
    x = 7,063,123,425.21/83,544.33
  6. Step 6: Final answer
    x = 84,543.42

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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.