Home / 71,336.01-98,443.61-39,504.87

Finding the Fourth Proportional to 71,336.01, 98,443.61 and 39,504.87

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Solution

The fourth proportional to 71,336.01, 98,443.61 and 39,504.87 is: 54,516.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,336.01 : 98,443.61 = 39,504.87 : x
  2. Step 2: Convert to fraction form
    71,336.01/98,443.61 = 39,504.87/x
  3. Step 3: Cross multiply
    71,336.01x = 98,443.61 × 39,504.87
  4. Step 4: Simplify right side
    71,336.01x = 3,889,001,817.86
  5. Step 5: Solve for x
    x = 3,889,001,817.86/71,336.01
  6. Step 6: Final answer
    x = 54,516.67

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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.