Home / 124,908.74-172,445.38-82,590.02

Finding the Fourth Proportional to 124,908.74, 172,445.38 and 82,590.02

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Solution

The fourth proportional to 124,908.74, 172,445.38 and 82,590.02 is: 114,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,908.74 : 172,445.38 = 82,590.02 : x
  2. Step 2: Convert to fraction form
    124,908.74/172,445.38 = 82,590.02/x
  3. Step 3: Cross multiply
    124,908.74x = 172,445.38 × 82,590.02
  4. Step 4: Simplify right side
    124,908.74x = 14,242,267,383.11
  5. Step 5: Solve for x
    x = 14,242,267,383.11/124,908.74
  6. Step 6: Final answer
    x = 114,021.38

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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.