Home / 115,741.31-159,727.55-67,994.24

Finding the Fourth Proportional to 115,741.31, 159,727.55 and 67,994.24

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Solution

The fourth proportional to 115,741.31, 159,727.55 and 67,994.24 is: 93,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,741.31 : 159,727.55 = 67,994.24 : x
  2. Step 2: Convert to fraction form
    115,741.31/159,727.55 = 67,994.24/x
  3. Step 3: Cross multiply
    115,741.31x = 159,727.55 × 67,994.24
  4. Step 4: Simplify right side
    115,741.31x = 10,860,552,230.70
  5. Step 5: Solve for x
    x = 10,860,552,230.70/115,741.31
  6. Step 6: Final answer
    x = 93,834.71

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1.5x scale

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.