Home / 124,914.31-172,333.33-79,584.19

Finding the Fourth Proportional to 124,914.31, 172,333.33 and 79,584.19

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Solution

The fourth proportional to 124,914.31, 172,333.33 and 79,584.19 is: 109,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,914.31 : 172,333.33 = 79,584.19 : x
  2. Step 2: Convert to fraction form
    124,914.31/172,333.33 = 79,584.19/x
  3. Step 3: Cross multiply
    124,914.31x = 172,333.33 × 79,584.19
  4. Step 4: Simplify right side
    124,914.31x = 13,715,007,848.26
  5. Step 5: Solve for x
    x = 13,715,007,848.26/124,914.31
  6. Step 6: Final answer
    x = 109,795.33

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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.