Home / 124,760.93-172,169.89-71,045.96

Finding the Fourth Proportional to 124,760.93, 172,169.89 and 71,045.96

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Solution

The fourth proportional to 124,760.93, 172,169.89 and 71,045.96 is: 98,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,760.93 : 172,169.89 = 71,045.96 : x
  2. Step 2: Convert to fraction form
    124,760.93/172,169.89 = 71,045.96/x
  3. Step 3: Cross multiply
    124,760.93x = 172,169.89 × 71,045.96
  4. Step 4: Simplify right side
    124,760.93x = 12,231,975,048.14
  5. Step 5: Solve for x
    x = 12,231,975,048.14/124,760.93
  6. Step 6: Final answer
    x = 98,043.32

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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.