Home / 115,555.24-159,456.32-66,498.44

Finding the Fourth Proportional to 115,555.24, 159,456.32 and 66,498.44

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Solution

The fourth proportional to 115,555.24, 159,456.32 and 66,498.44 is: 91,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,555.24 : 159,456.32 = 66,498.44 : x
  2. Step 2: Convert to fraction form
    115,555.24/159,456.32 = 66,498.44/x
  3. Step 3: Cross multiply
    115,555.24x = 159,456.32 × 66,498.44
  4. Step 4: Simplify right side
    115,555.24x = 10,603,596,528.14
  5. Step 5: Solve for x
    x = 10,603,596,528.14/115,555.24
  6. Step 6: Final answer
    x = 91,762.14

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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.