Home / 52,851.26-79,171.23-31,779.75

Finding the Fourth Proportional to 52,851.26, 79,171.23 and 31,779.75

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Solution

The fourth proportional to 52,851.26, 79,171.23 and 31,779.75 is: 47,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,851.26 : 79,171.23 = 31,779.75 : x
  2. Step 2: Convert to fraction form
    52,851.26/79,171.23 = 31,779.75/x
  3. Step 3: Cross multiply
    52,851.26x = 79,171.23 × 31,779.75
  4. Step 4: Simplify right side
    52,851.26x = 2,516,041,896.59
  5. Step 5: Solve for x
    x = 2,516,041,896.59/52,851.26
  6. Step 6: Final answer
    x = 47,606.10

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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.