Home / 123,901.17-170,973.01-68,712.27

Finding the Fourth Proportional to 123,901.17, 170,973.01 and 68,712.27

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Solution

The fourth proportional to 123,901.17, 170,973.01 and 68,712.27 is: 94,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,901.17 : 170,973.01 = 68,712.27 : x
  2. Step 2: Convert to fraction form
    123,901.17/170,973.01 = 68,712.27/x
  3. Step 3: Cross multiply
    123,901.17x = 170,973.01 × 68,712.27
  4. Step 4: Simplify right side
    123,901.17x = 11,747,943,797.61
  5. Step 5: Solve for x
    x = 11,747,943,797.61/123,901.17
  6. Step 6: Final answer
    x = 94,817.05

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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.