Home / 120,558.28-180,779.10-41,644.84

Finding the Fourth Proportional to 120,558.28, 180,779.10 and 41,644.84

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Solution

The fourth proportional to 120,558.28, 180,779.10 and 41,644.84 is: 62,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,558.28 : 180,779.10 = 41,644.84 : x
  2. Step 2: Convert to fraction form
    120,558.28/180,779.10 = 41,644.84/x
  3. Step 3: Cross multiply
    120,558.28x = 180,779.10 × 41,644.84
  4. Step 4: Simplify right side
    120,558.28x = 7,528,516,694.84
  5. Step 5: Solve for x
    x = 7,528,516,694.84/120,558.28
  6. Step 6: Final answer
    x = 62,447.11

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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.