Home / 115,581.44-159,499.23-64,594.40

Finding the Fourth Proportional to 115,581.44, 159,499.23 and 64,594.40

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Solution

The fourth proportional to 115,581.44, 159,499.23 and 64,594.40 is: 89,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,581.44 : 159,499.23 = 64,594.40 : x
  2. Step 2: Convert to fraction form
    115,581.44/159,499.23 = 64,594.40/x
  3. Step 3: Cross multiply
    115,581.44x = 159,499.23 × 64,594.40
  4. Step 4: Simplify right side
    115,581.44x = 10,302,756,022.59
  5. Step 5: Solve for x
    x = 10,302,756,022.59/115,581.44
  6. Step 6: Final answer
    x = 89,138.50

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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.