Home / 115,256.90-172,882.31-48,679.15

Finding the Fourth Proportional to 115,256.90, 172,882.31 and 48,679.15

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Solution

The fourth proportional to 115,256.90, 172,882.31 and 48,679.15 is: 73,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,256.90 : 172,882.31 = 48,679.15 : x
  2. Step 2: Convert to fraction form
    115,256.90/172,882.31 = 48,679.15/x
  3. Step 3: Cross multiply
    115,256.90x = 172,882.31 × 48,679.15
  4. Step 4: Simplify right side
    115,256.90x = 8,415,763,900.84
  5. Step 5: Solve for x
    x = 8,415,763,900.84/115,256.90
  6. Step 6: Final answer
    x = 73,017.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.