Home / 76,798.80-115,188.48-32,403.24

Finding the Fourth Proportional to 76,798.80, 115,188.48 and 32,403.24

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Solution

The fourth proportional to 76,798.80, 115,188.48 and 32,403.24 is: 48,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,798.80 : 115,188.48 = 32,403.24 : x
  2. Step 2: Convert to fraction form
    76,798.80/115,188.48 = 32,403.24/x
  3. Step 3: Cross multiply
    76,798.80x = 115,188.48 × 32,403.24
  4. Step 4: Simplify right side
    76,798.80x = 3,732,479,962.68
  5. Step 5: Solve for x
    x = 3,732,479,962.68/76,798.80
  6. Step 6: Final answer
    x = 48,600.76

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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.