Home / 124,734.29-172,133.49-71,019.33

Finding the Fourth Proportional to 124,734.29, 172,133.49 and 71,019.33

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Solution

The fourth proportional to 124,734.29, 172,133.49 and 71,019.33 is: 98,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,734.29 : 172,133.49 = 71,019.33 : x
  2. Step 2: Convert to fraction form
    124,734.29/172,133.49 = 71,019.33/x
  3. Step 3: Cross multiply
    124,734.29x = 172,133.49 × 71,019.33
  4. Step 4: Simplify right side
    124,734.29x = 12,224,805,619.56
  5. Step 5: Solve for x
    x = 12,224,805,619.56/124,734.29
  6. Step 6: Final answer
    x = 98,006.77

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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.