Home / 124,542.97-171,873.09-70,835.72

Finding the Fourth Proportional to 124,542.97, 171,873.09 and 70,835.72

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Solution

The fourth proportional to 124,542.97, 171,873.09 and 70,835.72 is: 97,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,542.97 : 171,873.09 = 70,835.72 : x
  2. Step 2: Convert to fraction form
    124,542.97/171,873.09 = 70,835.72/x
  3. Step 3: Cross multiply
    124,542.97x = 171,873.09 × 70,835.72
  4. Step 4: Simplify right side
    124,542.97x = 12,174,752,865.23
  5. Step 5: Solve for x
    x = 12,174,752,865.23/124,542.97
  6. Step 6: Final answer
    x = 97,755.44

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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.