Home / 71,311.01-98,475.84-45,861.56

Finding the Fourth Proportional to 71,311.01, 98,475.84 and 45,861.56

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Solution

The fourth proportional to 71,311.01, 98,475.84 and 45,861.56 is: 63,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,311.01 : 98,475.84 = 45,861.56 : x
  2. Step 2: Convert to fraction form
    71,311.01/98,475.84 = 45,861.56/x
  3. Step 3: Cross multiply
    71,311.01x = 98,475.84 × 45,861.56
  4. Step 4: Simplify right side
    71,311.01x = 4,516,255,152.33
  5. Step 5: Solve for x
    x = 4,516,255,152.33/71,311.01
  6. Step 6: Final answer
    x = 63,331.81

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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.