Home / 76,260.12-114,322.50-28,842.04

Finding the Fourth Proportional to 76,260.12, 114,322.50 and 28,842.04

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Solution

The fourth proportional to 76,260.12, 114,322.50 and 28,842.04 is: 43,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,260.12 : 114,322.50 = 28,842.04 : x
  2. Step 2: Convert to fraction form
    76,260.12/114,322.50 = 28,842.04/x
  3. Step 3: Cross multiply
    76,260.12x = 114,322.50 × 28,842.04
  4. Step 4: Simplify right side
    76,260.12x = 3,297,294,117.90
  5. Step 5: Solve for x
    x = 3,297,294,117.90/76,260.12
  6. Step 6: Final answer
    x = 43,237.47

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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.