Home / 91,555.33-126,346.34-50,722.11

Finding the Fourth Proportional to 91,555.33, 126,346.34 and 50,722.11

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Solution

The fourth proportional to 91,555.33, 126,346.34 and 50,722.11 is: 69,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,555.33 : 126,346.34 = 50,722.11 : x
  2. Step 2: Convert to fraction form
    91,555.33/126,346.34 = 50,722.11/x
  3. Step 3: Cross multiply
    91,555.33x = 126,346.34 × 50,722.11
  4. Step 4: Simplify right side
    91,555.33x = 6,408,552,701.97
  5. Step 5: Solve for x
    x = 6,408,552,701.97/91,555.33
  6. Step 6: Final answer
    x = 69,996.50

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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.