Home / 101,835.14-152,732.93-51,220.67

Finding the Fourth Proportional to 101,835.14, 152,732.93 and 51,220.67

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Solution

The fourth proportional to 101,835.14, 152,732.93 and 51,220.67 is: 76,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,835.14 : 152,732.93 = 51,220.67 : x
  2. Step 2: Convert to fraction form
    101,835.14/152,732.93 = 51,220.67/x
  3. Step 3: Cross multiply
    101,835.14x = 152,732.93 × 51,220.67
  4. Step 4: Simplify right side
    101,835.14x = 7,823,081,985.90
  5. Step 5: Solve for x
    x = 7,823,081,985.90/101,835.14
  6. Step 6: Final answer
    x = 76,821.05

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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.