Home / 97,922.60-135,123.90-55,481

Finding the Fourth Proportional to 97,922.60, 135,123.90 and 55,481

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Solution

The fourth proportional to 97,922.60, 135,123.90 and 55,481 is: 76,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,922.60 : 135,123.90 = 55,481 : x
  2. Step 2: Convert to fraction form
    97,922.60/135,123.90 = 55,481/x
  3. Step 3: Cross multiply
    97,922.60x = 135,123.90 × 55,481
  4. Step 4: Simplify right side
    97,922.60x = 7,496,809,095.90
  5. Step 5: Solve for x
    x = 7,496,809,095.90/97,922.60
  6. Step 6: Final answer
    x = 76,558.52

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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.