Home / 76,403.42-114,628.60-36,473.36

Finding the Fourth Proportional to 76,403.42, 114,628.60 and 36,473.36

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Solution

The fourth proportional to 76,403.42, 114,628.60 and 36,473.36 is: 54,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,403.42 : 114,628.60 = 36,473.36 : x
  2. Step 2: Convert to fraction form
    76,403.42/114,628.60 = 36,473.36/x
  3. Step 3: Cross multiply
    76,403.42x = 114,628.60 × 36,473.36
  4. Step 4: Simplify right side
    76,403.42x = 4,180,890,194.10
  5. Step 5: Solve for x
    x = 4,180,890,194.10/76,403.42
  6. Step 6: Final answer
    x = 54,721.24

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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.