Home / 124,912.75-172,382.37-68,324.13

Finding the Fourth Proportional to 124,912.75, 172,382.37 and 68,324.13

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Solution

The fourth proportional to 124,912.75, 172,382.37 and 68,324.13 is: 94,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.75 : 172,382.37 = 68,324.13 : x
  2. Step 2: Convert to fraction form
    124,912.75/172,382.37 = 68,324.13/x
  3. Step 3: Cross multiply
    124,912.75x = 172,382.37 × 68,324.13
  4. Step 4: Simplify right side
    124,912.75x = 11,777,875,457.59
  5. Step 5: Solve for x
    x = 11,777,875,457.59/124,912.75
  6. Step 6: Final answer
    x = 94,288.82

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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.