Home / 47,779.83-71,669.34-12,241.08

Finding the Fourth Proportional to 47,779.83, 71,669.34 and 12,241.08

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Solution

The fourth proportional to 47,779.83, 71,669.34 and 12,241.08 is: 18,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779.83 : 71,669.34 = 12,241.08 : x
  2. Step 2: Convert to fraction form
    47,779.83/71,669.34 = 12,241.08/x
  3. Step 3: Cross multiply
    47,779.83x = 71,669.34 × 12,241.08
  4. Step 4: Simplify right side
    47,779.83x = 877,310,124.49
  5. Step 5: Solve for x
    x = 877,310,124.49/47,779.83
  6. Step 6: Final answer
    x = 18,361.52

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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.