Home / 84,025.23-126,057.42-37,281.75

Finding the Fourth Proportional to 84,025.23, 126,057.42 and 37,281.75

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Solution

The fourth proportional to 84,025.23, 126,057.42 and 37,281.75 is: 55,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,025.23 : 126,057.42 = 37,281.75 : x
  2. Step 2: Convert to fraction form
    84,025.23/126,057.42 = 37,281.75/x
  3. Step 3: Cross multiply
    84,025.23x = 126,057.42 × 37,281.75
  4. Step 4: Simplify right side
    84,025.23x = 4,699,641,218.09
  5. Step 5: Solve for x
    x = 4,699,641,218.09/84,025.23
  6. Step 6: Final answer
    x = 55,931.31

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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.