Home / 124,632.39-171,991.82-68,043.77

Finding the Fourth Proportional to 124,632.39, 171,991.82 and 68,043.77

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Solution

The fourth proportional to 124,632.39, 171,991.82 and 68,043.77 is: 93,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,632.39 : 171,991.82 = 68,043.77 : x
  2. Step 2: Convert to fraction form
    124,632.39/171,991.82 = 68,043.77/x
  3. Step 3: Cross multiply
    124,632.39x = 171,991.82 × 68,043.77
  4. Step 4: Simplify right side
    124,632.39x = 11,702,971,841.96
  5. Step 5: Solve for x
    x = 11,702,971,841.96/124,632.39
  6. Step 6: Final answer
    x = 93,899.92

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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.