Home / 124,922.39-172,396.96-68,333.76

Finding the Fourth Proportional to 124,922.39, 172,396.96 and 68,333.76

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Solution

The fourth proportional to 124,922.39, 172,396.96 and 68,333.76 is: 94,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922.39 : 172,396.96 = 68,333.76 : x
  2. Step 2: Convert to fraction form
    124,922.39/172,396.96 = 68,333.76/x
  3. Step 3: Cross multiply
    124,922.39x = 172,396.96 × 68,333.76
  4. Step 4: Simplify right side
    124,922.39x = 11,780,532,318.54
  5. Step 5: Solve for x
    x = 11,780,532,318.54/124,922.39
  6. Step 6: Final answer
    x = 94,302.81

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1.5x scale

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.