Home / 51,779.76-77,747.40-29,618.16

Finding the Fourth Proportional to 51,779.76, 77,747.40 and 29,618.16

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Solution

The fourth proportional to 51,779.76, 77,747.40 and 29,618.16 is: 44,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779.76 : 77,747.40 = 29,618.16 : x
  2. Step 2: Convert to fraction form
    51,779.76/77,747.40 = 29,618.16/x
  3. Step 3: Cross multiply
    51,779.76x = 77,747.40 × 29,618.16
  4. Step 4: Simplify right side
    51,779.76x = 2,302,734,932.78
  5. Step 5: Solve for x
    x = 2,302,734,932.78/51,779.76
  6. Step 6: Final answer
    x = 44,471.72

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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.