Home / 115,174.02-172,775.58-45,044.22

Finding the Fourth Proportional to 115,174.02, 172,775.58 and 45,044.22

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Solution

The fourth proportional to 115,174.02, 172,775.58 and 45,044.22 is: 67,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,174.02 : 172,775.58 = 45,044.22 : x
  2. Step 2: Convert to fraction form
    115,174.02/172,775.58 = 45,044.22/x
  3. Step 3: Cross multiply
    115,174.02x = 172,775.58 × 45,044.22
  4. Step 4: Simplify right side
    115,174.02x = 7,782,541,236.15
  5. Step 5: Solve for x
    x = 7,782,541,236.15/115,174.02
  6. Step 6: Final answer
    x = 67,572.02

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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.