Home / 124,673.90-172,051.35-68,086.94

Finding the Fourth Proportional to 124,673.90, 172,051.35 and 68,086.94

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Solution

The fourth proportional to 124,673.90, 172,051.35 and 68,086.94 is: 93,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,673.90 : 172,051.35 = 68,086.94 : x
  2. Step 2: Convert to fraction form
    124,673.90/172,051.35 = 68,086.94/x
  3. Step 3: Cross multiply
    124,673.90x = 172,051.35 × 68,086.94
  4. Step 4: Simplify right side
    124,673.90x = 11,714,449,944.37
  5. Step 5: Solve for x
    x = 11,714,449,944.37/124,673.90
  6. Step 6: Final answer
    x = 93,960.72

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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.