Home / 84,250.83-126,376.26-57,875.61

Finding the Fourth Proportional to 84,250.83, 126,376.26 and 57,875.61

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Solution

The fourth proportional to 84,250.83, 126,376.26 and 57,875.61 is: 86,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,250.83 : 126,376.26 = 57,875.61 : x
  2. Step 2: Convert to fraction form
    84,250.83/126,376.26 = 57,875.61/x
  3. Step 3: Cross multiply
    84,250.83x = 126,376.26 × 57,875.61
  4. Step 4: Simplify right side
    84,250.83x = 7,314,103,137.02
  5. Step 5: Solve for x
    x = 7,314,103,137.02/84,250.83
  6. Step 6: Final answer
    x = 86,813.43

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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.