Home / 76,425.15-114,684.36-48,306.48

Finding the Fourth Proportional to 76,425.15, 114,684.36 and 48,306.48

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Solution

The fourth proportional to 76,425.15, 114,684.36 and 48,306.48 is: 72,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,425.15 : 114,684.36 = 48,306.48 : x
  2. Step 2: Convert to fraction form
    76,425.15/114,684.36 = 48,306.48/x
  3. Step 3: Cross multiply
    76,425.15x = 114,684.36 × 48,306.48
  4. Step 4: Simplify right side
    76,425.15x = 5,539,997,742.65
  5. Step 5: Solve for x
    x = 5,539,997,742.65/76,425.15
  6. Step 6: Final answer
    x = 72,489.20

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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.