Home / 124,761.81-172,176.26-71,049.09

Finding the Fourth Proportional to 124,761.81, 172,176.26 and 71,049.09

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Solution

The fourth proportional to 124,761.81, 172,176.26 and 71,049.09 is: 98,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,761.81 : 172,176.26 = 71,049.09 : x
  2. Step 2: Convert to fraction form
    124,761.81/172,176.26 = 71,049.09/x
  3. Step 3: Cross multiply
    124,761.81x = 172,176.26 × 71,049.09
  4. Step 4: Simplify right side
    124,761.81x = 12,232,966,237.36
  5. Step 5: Solve for x
    x = 12,232,966,237.36/124,761.81
  6. Step 6: Final answer
    x = 98,050.57

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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.