Home / 97,868.58-135,060.42-55,435.92

Finding the Fourth Proportional to 97,868.58, 135,060.42 and 55,435.92

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Solution

The fourth proportional to 97,868.58, 135,060.42 and 55,435.92 is: 76,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,868.58 : 135,060.42 = 55,435.92 : x
  2. Step 2: Convert to fraction form
    97,868.58/135,060.42 = 55,435.92/x
  3. Step 3: Cross multiply
    97,868.58x = 135,060.42 × 55,435.92
  4. Step 4: Simplify right side
    97,868.58x = 7,487,198,638.29
  5. Step 5: Solve for x
    x = 7,487,198,638.29/97,868.58
  6. Step 6: Final answer
    x = 76,502.58

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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.