Home / 124,734.09-187,174.94-45,903.67

Finding the Fourth Proportional to 124,734.09, 187,174.94 and 45,903.67

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Solution

The fourth proportional to 124,734.09, 187,174.94 and 45,903.67 is: 68,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,734.09 : 187,174.94 = 45,903.67 : x
  2. Step 2: Convert to fraction form
    124,734.09/187,174.94 = 45,903.67/x
  3. Step 3: Cross multiply
    124,734.09x = 187,174.94 × 45,903.67
  4. Step 4: Simplify right side
    124,734.09x = 8,592,016,678.03
  5. Step 5: Solve for x
    x = 8,592,016,678.03/124,734.09
  6. Step 6: Final answer
    x = 68,882.67

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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.