Home / 124,958.23-172,438.07-71,260.53

Finding the Fourth Proportional to 124,958.23, 172,438.07 and 71,260.53

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Solution

The fourth proportional to 124,958.23, 172,438.07 and 71,260.53 is: 98,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,958.23 : 172,438.07 = 71,260.53 : x
  2. Step 2: Convert to fraction form
    124,958.23/172,438.07 = 71,260.53/x
  3. Step 3: Cross multiply
    124,958.23x = 172,438.07 × 71,260.53
  4. Step 4: Simplify right side
    124,958.23x = 12,288,027,257.43
  5. Step 5: Solve for x
    x = 12,288,027,257.43/124,958.23
  6. Step 6: Final answer
    x = 98,337.08

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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.