Home / 115,320.13-159,157.58-67,592.50

Finding the Fourth Proportional to 115,320.13, 159,157.58 and 67,592.50

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Solution

The fourth proportional to 115,320.13, 159,157.58 and 67,592.50 is: 93,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,320.13 : 159,157.58 = 67,592.50 : x
  2. Step 2: Convert to fraction form
    115,320.13/159,157.58 = 67,592.50/x
  3. Step 3: Cross multiply
    115,320.13x = 159,157.58 × 67,592.50
  4. Step 4: Simplify right side
    115,320.13x = 10,757,858,726.15
  5. Step 5: Solve for x
    x = 10,757,858,726.15/115,320.13
  6. Step 6: Final answer
    x = 93,286.91

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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.