Home / 120,633.19-180,962.08-41,728.96

Finding the Fourth Proportional to 120,633.19, 180,962.08 and 41,728.96

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Solution

The fourth proportional to 120,633.19, 180,962.08 and 41,728.96 is: 62,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,633.19 : 180,962.08 = 41,728.96 : x
  2. Step 2: Convert to fraction form
    120,633.19/180,962.08 = 41,728.96/x
  3. Step 3: Cross multiply
    120,633.19x = 180,962.08 × 41,728.96
  4. Step 4: Simplify right side
    120,633.19x = 7,551,359,397.84
  5. Step 5: Solve for x
    x = 7,551,359,397.84/120,633.19
  6. Step 6: Final answer
    x = 62,597.69

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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.