Home / 126,165.09-189,079.49-59,622.87

Finding the Fourth Proportional to 126,165.09, 189,079.49 and 59,622.87

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Solution

The fourth proportional to 126,165.09, 189,079.49 and 59,622.87 is: 89,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,165.09 : 189,079.49 = 59,622.87 : x
  2. Step 2: Convert to fraction form
    126,165.09/189,079.49 = 59,622.87/x
  3. Step 3: Cross multiply
    126,165.09x = 189,079.49 × 59,622.87
  4. Step 4: Simplify right side
    126,165.09x = 11,273,461,553.82
  5. Step 5: Solve for x
    x = 11,273,461,553.82/126,165.09
  6. Step 6: Final answer
    x = 89,354.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.