Home / 124,826.76-172,259.82-68,237.64

Finding the Fourth Proportional to 124,826.76, 172,259.82 and 68,237.64

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Solution

The fourth proportional to 124,826.76, 172,259.82 and 68,237.64 is: 94,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,826.76 : 172,259.82 = 68,237.64 : x
  2. Step 2: Convert to fraction form
    124,826.76/172,259.82 = 68,237.64/x
  3. Step 3: Cross multiply
    124,826.76x = 172,259.82 × 68,237.64
  4. Step 4: Simplify right side
    124,826.76x = 11,754,603,583.62
  5. Step 5: Solve for x
    x = 11,754,603,583.62/124,826.76
  6. Step 6: Final answer
    x = 94,167.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.