Home / 65,536.91-90,440.08-36,856.57

Finding the Fourth Proportional to 65,536.91, 90,440.08 and 36,856.57

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Solution

The fourth proportional to 65,536.91, 90,440.08 and 36,856.57 is: 50,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,536.91 : 90,440.08 = 36,856.57 : x
  2. Step 2: Convert to fraction form
    65,536.91/90,440.08 = 36,856.57/x
  3. Step 3: Cross multiply
    65,536.91x = 90,440.08 × 36,856.57
  4. Step 4: Simplify right side
    65,536.91x = 3,333,310,821.08
  5. Step 5: Solve for x
    x = 3,333,310,821.08/65,536.91
  6. Step 6: Final answer
    x = 50,861.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.