Home / 105,755.25-158,637.20-26,871.51

Finding the Fourth Proportional to 105,755.25, 158,637.20 and 26,871.51

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Solution

The fourth proportional to 105,755.25, 158,637.20 and 26,871.51 is: 40,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,755.25 : 158,637.20 = 26,871.51 : x
  2. Step 2: Convert to fraction form
    105,755.25/158,637.20 = 26,871.51/x
  3. Step 3: Cross multiply
    105,755.25x = 158,637.20 × 26,871.51
  4. Step 4: Simplify right side
    105,755.25x = 4,262,820,971.81
  5. Step 5: Solve for x
    x = 4,262,820,971.81/105,755.25
  6. Step 6: Final answer
    x = 40,308.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.