Home / 126,073.66-173,979.09-69,485.04

Finding the Fourth Proportional to 126,073.66, 173,979.09 and 69,485.04

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Solution

The fourth proportional to 126,073.66, 173,979.09 and 69,485.04 is: 95,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,073.66 : 173,979.09 = 69,485.04 : x
  2. Step 2: Convert to fraction form
    126,073.66/173,979.09 = 69,485.04/x
  3. Step 3: Cross multiply
    126,073.66x = 173,979.09 × 69,485.04
  4. Step 4: Simplify right side
    126,073.66x = 12,088,944,027.81
  5. Step 5: Solve for x
    x = 12,088,944,027.81/126,073.66
  6. Step 6: Final answer
    x = 95,887.94

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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.