Home / 97,167.72-134,153.36-79,305.34

Finding the Fourth Proportional to 97,167.72, 134,153.36 and 79,305.34

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Solution

The fourth proportional to 97,167.72, 134,153.36 and 79,305.34 is: 109,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,167.72 : 134,153.36 = 79,305.34 : x
  2. Step 2: Convert to fraction form
    97,167.72/134,153.36 = 79,305.34/x
  3. Step 3: Cross multiply
    97,167.72x = 134,153.36 × 79,305.34
  4. Step 4: Simplify right side
    97,167.72x = 10,639,077,826.94
  5. Step 5: Solve for x
    x = 10,639,077,826.94/97,167.72
  6. Step 6: Final answer
    x = 109,491.90

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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.