Home / 97,916.09-135,123.72-55,474.52

Finding the Fourth Proportional to 97,916.09, 135,123.72 and 55,474.52

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Solution

The fourth proportional to 97,916.09, 135,123.72 and 55,474.52 is: 76,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,916.09 : 135,123.72 = 55,474.52 : x
  2. Step 2: Convert to fraction form
    97,916.09/135,123.72 = 55,474.52/x
  3. Step 3: Cross multiply
    97,916.09x = 135,123.72 × 55,474.52
  4. Step 4: Simplify right side
    97,916.09x = 7,495,923,507.61
  5. Step 5: Solve for x
    x = 7,495,923,507.61/97,916.09
  6. Step 6: Final answer
    x = 76,554.56

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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.