Home / 127,749.70-191,624.55-48,823.30

Finding the Fourth Proportional to 127,749.70, 191,624.55 and 48,823.30

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Solution

The fourth proportional to 127,749.70, 191,624.55 and 48,823.30 is: 73,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,749.70 : 191,624.55 = 48,823.30 : x
  2. Step 2: Convert to fraction form
    127,749.70/191,624.55 = 48,823.30/x
  3. Step 3: Cross multiply
    127,749.70x = 191,624.55 × 48,823.30
  4. Step 4: Simplify right side
    127,749.70x = 9,355,742,892.02
  5. Step 5: Solve for x
    x = 9,355,742,892.02/127,749.70
  6. Step 6: Final answer
    x = 73,234.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.