Home / 47,779.50-71,669.40-14,499.84

Finding the Fourth Proportional to 47,779.50, 71,669.40 and 14,499.84

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Solution

The fourth proportional to 47,779.50, 71,669.40 and 14,499.84 is: 21,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779.50 : 71,669.40 = 14,499.84 : x
  2. Step 2: Convert to fraction form
    47,779.50/71,669.40 = 14,499.84/x
  3. Step 3: Cross multiply
    47,779.50x = 71,669.40 × 14,499.84
  4. Step 4: Simplify right side
    47,779.50x = 1,039,194,832.90
  5. Step 5: Solve for x
    x = 1,039,194,832.90/47,779.50
  6. Step 6: Final answer
    x = 21,749.81

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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.