Home / 76,815.68-115,135.68-32,376

Finding the Fourth Proportional to 76,815.68, 115,135.68 and 32,376

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Solution

The fourth proportional to 76,815.68, 115,135.68 and 32,376 is: 48,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,815.68 : 115,135.68 = 32,376 : x
  2. Step 2: Convert to fraction form
    76,815.68/115,135.68 = 32,376/x
  3. Step 3: Cross multiply
    76,815.68x = 115,135.68 × 32,376
  4. Step 4: Simplify right side
    76,815.68x = 3,727,632,775.68
  5. Step 5: Solve for x
    x = 3,727,632,775.68/76,815.68
  6. Step 6: Final answer
    x = 48,526.98

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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.