Home / 120,587.90-180,899.67-41,680.94

Finding the Fourth Proportional to 120,587.90, 180,899.67 and 41,680.94

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Solution

The fourth proportional to 120,587.90, 180,899.67 and 41,680.94 is: 62,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,587.90 : 180,899.67 = 41,680.94 : x
  2. Step 2: Convert to fraction form
    120,587.90/180,899.67 = 41,680.94/x
  3. Step 3: Cross multiply
    120,587.90x = 180,899.67 × 41,680.94
  4. Step 4: Simplify right side
    120,587.90x = 7,540,068,291.29
  5. Step 5: Solve for x
    x = 7,540,068,291.29/120,587.90
  6. Step 6: Final answer
    x = 62,527.57

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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.