Home / 124,976.36-172,402.80-84,676.34

Finding the Fourth Proportional to 124,976.36, 172,402.80 and 84,676.34

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Solution

The fourth proportional to 124,976.36, 172,402.80 and 84,676.34 is: 116,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,976.36 : 172,402.80 = 84,676.34 : x
  2. Step 2: Convert to fraction form
    124,976.36/172,402.80 = 84,676.34/x
  3. Step 3: Cross multiply
    124,976.36x = 172,402.80 × 84,676.34
  4. Step 4: Simplify right side
    124,976.36x = 14,598,438,109.75
  5. Step 5: Solve for x
    x = 14,598,438,109.75/124,976.36
  6. Step 6: Final answer
    x = 116,809.60

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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.