Home / 51,354.13-76,980.16-35,738.95

Finding the Fourth Proportional to 51,354.13, 76,980.16 and 35,738.95

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Solution

The fourth proportional to 51,354.13, 76,980.16 and 35,738.95 is: 53,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,354.13 : 76,980.16 = 35,738.95 : x
  2. Step 2: Convert to fraction form
    51,354.13/76,980.16 = 35,738.95/x
  3. Step 3: Cross multiply
    51,354.13x = 76,980.16 × 35,738.95
  4. Step 4: Simplify right side
    51,354.13x = 2,751,189,778.22
  5. Step 5: Solve for x
    x = 2,751,189,778.22/51,354.13
  6. Step 6: Final answer
    x = 53,572.91

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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.