Home / 97,164.72-134,149.22-79,302.32

Finding the Fourth Proportional to 97,164.72, 134,149.22 and 79,302.32

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Solution

The fourth proportional to 97,164.72, 134,149.22 and 79,302.32 is: 109,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,164.72 : 134,149.22 = 79,302.32 : x
  2. Step 2: Convert to fraction form
    97,164.72/134,149.22 = 79,302.32/x
  3. Step 3: Cross multiply
    97,164.72x = 134,149.22 × 79,302.32
  4. Step 4: Simplify right side
    97,164.72x = 10,638,344,372.19
  5. Step 5: Solve for x
    x = 10,638,344,372.19/97,164.72
  6. Step 6: Final answer
    x = 109,487.73

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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.