Home / 115,329.96-159,171.24-67,602.36

Finding the Fourth Proportional to 115,329.96, 159,171.24 and 67,602.36

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Solution

The fourth proportional to 115,329.96, 159,171.24 and 67,602.36 is: 93,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,329.96 : 159,171.24 = 67,602.36 : x
  2. Step 2: Convert to fraction form
    115,329.96/159,171.24 = 67,602.36/x
  3. Step 3: Cross multiply
    115,329.96x = 159,171.24 × 67,602.36
  4. Step 4: Simplify right side
    115,329.96x = 10,760,351,468.13
  5. Step 5: Solve for x
    x = 10,760,351,468.13/115,329.96
  6. Step 6: Final answer
    x = 93,300.57

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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.