Home / 76,263.30-114,402.55-31,903.94

Finding the Fourth Proportional to 76,263.30, 114,402.55 and 31,903.94

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Solution

The fourth proportional to 76,263.30, 114,402.55 and 31,903.94 is: 47,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,263.30 : 114,402.55 = 31,903.94 : x
  2. Step 2: Convert to fraction form
    76,263.30/114,402.55 = 31,903.94/x
  3. Step 3: Cross multiply
    76,263.30x = 114,402.55 × 31,903.94
  4. Step 4: Simplify right side
    76,263.30x = 3,649,892,091.05
  5. Step 5: Solve for x
    x = 3,649,892,091.05/76,263.30
  6. Step 6: Final answer
    x = 47,859.09

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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.