Home / 127,503.12-175,943.45-73,791.46

Finding the Fourth Proportional to 127,503.12, 175,943.45 and 73,791.46

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Solution

The fourth proportional to 127,503.12, 175,943.45 and 73,791.46 is: 101,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,503.12 : 175,943.45 = 73,791.46 : x
  2. Step 2: Convert to fraction form
    127,503.12/175,943.45 = 73,791.46/x
  3. Step 3: Cross multiply
    127,503.12x = 175,943.45 × 73,791.46
  4. Step 4: Simplify right side
    127,503.12x = 12,983,124,237.42
  5. Step 5: Solve for x
    x = 12,983,124,237.42/127,503.12
  6. Step 6: Final answer
    x = 101,825.94

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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.