Home / 127,407.33-175,843.31-73,723.77

Finding the Fourth Proportional to 127,407.33, 175,843.31 and 73,723.77

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Solution

The fourth proportional to 127,407.33, 175,843.31 and 73,723.77 is: 101,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,407.33 : 175,843.31 = 73,723.77 : x
  2. Step 2: Convert to fraction form
    127,407.33/175,843.31 = 73,723.77/x
  3. Step 3: Cross multiply
    127,407.33x = 175,843.31 × 73,723.77
  4. Step 4: Simplify right side
    127,407.33x = 12,963,831,373.86
  5. Step 5: Solve for x
    x = 12,963,831,373.86/127,407.33
  6. Step 6: Final answer
    x = 101,751.06

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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.