Home / 115,577.43-159,497.45-64,591.01

Finding the Fourth Proportional to 115,577.43, 159,497.45 and 64,591.01

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Solution

The fourth proportional to 115,577.43, 159,497.45 and 64,591.01 is: 89,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,577.43 : 159,497.45 = 64,591.01 : x
  2. Step 2: Convert to fraction form
    115,577.43/159,497.45 = 64,591.01/x
  3. Step 3: Cross multiply
    115,577.43x = 159,497.45 × 64,591.01
  4. Step 4: Simplify right side
    115,577.43x = 10,302,101,847.43
  5. Step 5: Solve for x
    x = 10,302,101,847.43/115,577.43
  6. Step 6: Final answer
    x = 89,135.93

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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.