Home / 97,929.74-135,142.70-55,496.36

Finding the Fourth Proportional to 97,929.74, 135,142.70 and 55,496.36

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Solution

The fourth proportional to 97,929.74, 135,142.70 and 55,496.36 is: 76,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,929.74 : 135,142.70 = 55,496.36 : x
  2. Step 2: Convert to fraction form
    97,929.74/135,142.70 = 55,496.36/x
  3. Step 3: Cross multiply
    97,929.74x = 135,142.70 × 55,496.36
  4. Step 4: Simplify right side
    97,929.74x = 7,499,927,930.57
  5. Step 5: Solve for x
    x = 7,499,927,930.57/97,929.74
  6. Step 6: Final answer
    x = 76,584.78

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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.