Home / 124,552.75-171,960.56-79,918.51

Finding the Fourth Proportional to 124,552.75, 171,960.56 and 79,918.51

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Solution

The fourth proportional to 124,552.75, 171,960.56 and 79,918.51 is: 110,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,552.75 : 171,960.56 = 79,918.51 : x
  2. Step 2: Convert to fraction form
    124,552.75/171,960.56 = 79,918.51/x
  3. Step 3: Cross multiply
    124,552.75x = 171,960.56 × 79,918.51
  4. Step 4: Simplify right side
    124,552.75x = 13,742,831,733.97
  5. Step 5: Solve for x
    x = 13,742,831,733.97/124,552.75
  6. Step 6: Final answer
    x = 110,337.44

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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.