Home / 127,109.52-175,409.57-73,393.36

Finding the Fourth Proportional to 127,109.52, 175,409.57 and 73,393.36

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Solution

The fourth proportional to 127,109.52, 175,409.57 and 73,393.36 is: 101,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109.52 : 175,409.57 = 73,393.36 : x
  2. Step 2: Convert to fraction form
    127,109.52/175,409.57 = 73,393.36/x
  3. Step 3: Cross multiply
    127,109.52x = 175,409.57 × 73,393.36
  4. Step 4: Simplify right side
    127,109.52x = 12,873,897,718.46
  5. Step 5: Solve for x
    x = 12,873,897,718.46/127,109.52
  6. Step 6: Final answer
    x = 101,281.93

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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.