Home / 51,740.85-77,550.53-51,186.81

Finding the Fourth Proportional to 51,740.85, 77,550.53 and 51,186.81

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Solution

The fourth proportional to 51,740.85, 77,550.53 and 51,186.81 is: 76,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,740.85 : 77,550.53 = 51,186.81 : x
  2. Step 2: Convert to fraction form
    51,740.85/77,550.53 = 51,186.81/x
  3. Step 3: Cross multiply
    51,740.85x = 77,550.53 × 51,186.81
  4. Step 4: Simplify right side
    51,740.85x = 3,969,563,988.58
  5. Step 5: Solve for x
    x = 3,969,563,988.58/51,740.85
  6. Step 6: Final answer
    x = 76,720.12

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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.