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Finding the Fourth Proportional to 63,861.10, 88,131.04 and 35,566.78

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Solution

The fourth proportional to 63,861.10, 88,131.04 and 35,566.78 is: 49,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,861.10 : 88,131.04 = 35,566.78 : x
  2. Step 2: Convert to fraction form
    63,861.10/88,131.04 = 35,566.78/x
  3. Step 3: Cross multiply
    63,861.10x = 88,131.04 × 35,566.78
  4. Step 4: Simplify right side
    63,861.10x = 3,134,537,310.85
  5. Step 5: Solve for x
    x = 3,134,537,310.85/63,861.10
  6. Step 6: Final answer
    x = 49,083.67

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1.5x scale

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.