Home / 76,354.13-114,531.21-23,763.65

Finding the Fourth Proportional to 76,354.13, 114,531.21 and 23,763.65

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Solution

The fourth proportional to 76,354.13, 114,531.21 and 23,763.65 is: 35,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,354.13 : 114,531.21 = 23,763.65 : x
  2. Step 2: Convert to fraction form
    76,354.13/114,531.21 = 23,763.65/x
  3. Step 3: Cross multiply
    76,354.13x = 114,531.21 × 23,763.65
  4. Step 4: Simplify right side
    76,354.13x = 2,721,679,015.86
  5. Step 5: Solve for x
    x = 2,721,679,015.86/76,354.13
  6. Step 6: Final answer
    x = 35,645.47

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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.