Home / 124,351.51-171,605.30-67,762.89

Finding the Fourth Proportional to 124,351.51, 171,605.30 and 67,762.89

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Solution

The fourth proportional to 124,351.51, 171,605.30 and 67,762.89 is: 93,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,351.51 : 171,605.30 = 67,762.89 : x
  2. Step 2: Convert to fraction form
    124,351.51/171,605.30 = 67,762.89/x
  3. Step 3: Cross multiply
    124,351.51x = 171,605.30 × 67,762.89
  4. Step 4: Simplify right side
    124,351.51x = 11,628,471,067.32
  5. Step 5: Solve for x
    x = 11,628,471,067.32/124,351.51
  6. Step 6: Final answer
    x = 93,512.91

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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.