Home / 71,193.36-98,239.32-39,357.12

Finding the Fourth Proportional to 71,193.36, 98,239.32 and 39,357.12

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Solution

The fourth proportional to 71,193.36, 98,239.32 and 39,357.12 is: 54,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,193.36 : 98,239.32 = 39,357.12 : x
  2. Step 2: Convert to fraction form
    71,193.36/98,239.32 = 39,357.12/x
  3. Step 3: Cross multiply
    71,193.36x = 98,239.32 × 39,357.12
  4. Step 4: Simplify right side
    71,193.36x = 3,866,416,705.96
  5. Step 5: Solve for x
    x = 3,866,416,705.96/71,193.36
  6. Step 6: Final answer
    x = 54,308.67

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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.