Home / 51,186.15-76,779.23-46,757.48

Finding the Fourth Proportional to 51,186.15, 76,779.23 and 46,757.48

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Solution

The fourth proportional to 51,186.15, 76,779.23 and 46,757.48 is: 70,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.15 : 76,779.23 = 46,757.48 : x
  2. Step 2: Convert to fraction form
    51,186.15/76,779.23 = 46,757.48/x
  3. Step 3: Cross multiply
    51,186.15x = 76,779.23 × 46,757.48
  4. Step 4: Simplify right side
    51,186.15x = 3,590,002,693.46
  5. Step 5: Solve for x
    x = 3,590,002,693.46/51,186.15
  6. Step 6: Final answer
    x = 70,136.21

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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.