Home / 115,450.04-159,319.46-64,463.56

Finding the Fourth Proportional to 115,450.04, 159,319.46 and 64,463.56

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Solution

The fourth proportional to 115,450.04, 159,319.46 and 64,463.56 is: 88,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,450.04 : 159,319.46 = 64,463.56 : x
  2. Step 2: Convert to fraction form
    115,450.04/159,319.46 = 64,463.56/x
  3. Step 3: Cross multiply
    115,450.04x = 159,319.46 × 64,463.56
  4. Step 4: Simplify right side
    115,450.04x = 10,270,299,568.88
  5. Step 5: Solve for x
    x = 10,270,299,568.88/115,450.04
  6. Step 6: Final answer
    x = 88,958.82

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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.