Home / 120,869.06-181,304.66-49,774.82

Finding the Fourth Proportional to 120,869.06, 181,304.66 and 49,774.82

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Solution

The fourth proportional to 120,869.06, 181,304.66 and 49,774.82 is: 74,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,869.06 : 181,304.66 = 49,774.82 : x
  2. Step 2: Convert to fraction form
    120,869.06/181,304.66 = 49,774.82/x
  3. Step 3: Cross multiply
    120,869.06x = 181,304.66 × 49,774.82
  4. Step 4: Simplify right side
    120,869.06x = 9,024,406,034.57
  5. Step 5: Solve for x
    x = 9,024,406,034.57/120,869.06
  6. Step 6: Final answer
    x = 74,662.67

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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.