Home / 64,340.85-96,404.55-45,527.61

Finding the Fourth Proportional to 64,340.85, 96,404.55 and 45,527.61

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Solution

The fourth proportional to 64,340.85, 96,404.55 and 45,527.61 is: 68,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,340.85 : 96,404.55 = 45,527.61 : x
  2. Step 2: Convert to fraction form
    64,340.85/96,404.55 = 45,527.61/x
  3. Step 3: Cross multiply
    64,340.85x = 96,404.55 × 45,527.61
  4. Step 4: Simplify right side
    64,340.85x = 4,389,068,754.63
  5. Step 5: Solve for x
    x = 4,389,068,754.63/64,340.85
  6. Step 6: Final answer
    x = 68,215.90

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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.