Home / 57,779.10-86,697.45-32,838.30

Finding the Fourth Proportional to 57,779.10, 86,697.45 and 32,838.30

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Solution

The fourth proportional to 57,779.10, 86,697.45 and 32,838.30 is: 49,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779.10 : 86,697.45 = 32,838.30 : x
  2. Step 2: Convert to fraction form
    57,779.10/86,697.45 = 32,838.30/x
  3. Step 3: Cross multiply
    57,779.10x = 86,697.45 × 32,838.30
  4. Step 4: Simplify right side
    57,779.10x = 2,846,996,872.34
  5. Step 5: Solve for x
    x = 2,846,996,872.34/57,779.10
  6. Step 6: Final answer
    x = 49,273.82

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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.